diff --git a/src/app/admin/dashboard/page-old.tsx b/src/app/admin/dashboard/page-old.tsx
deleted file mode 100644
index f246dd6..0000000
--- a/src/app/admin/dashboard/page-old.tsx
+++ /dev/null
@@ -1,1161 +0,0 @@
-'use client';
-
-import AddIcon from '@mui/icons-material/Add';
-import CodeIcon from '@mui/icons-material/Code';
-import DeleteIcon from '@mui/icons-material/Delete';
-import EditIcon from '@mui/icons-material/Edit';
-import LogoutIcon from '@mui/icons-material/Logout';
-import RuleIcon from '@mui/icons-material/Rule';
-import StorageIcon from '@mui/icons-material/Storage';
-import TableChartIcon from '@mui/icons-material/TableChart';
-import ViewColumnIcon from '@mui/icons-material/ViewColumn';
-import {
-  Alert,
-  AppBar,
-  Box,
-  Button,
-  Checkbox,
-  CircularProgress,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
-  Drawer,
-  FormControlLabel,
-  IconButton,
-  List,
-  ListItem,
-  ListItemButton,
-  ListItemIcon,
-  ListItemText,
-  MenuItem,
-  Paper,
-  Select,
-  Table,
-  TableBody,
-  TableCell,
-  TableContainer,
-  TableHead,
-  TableRow,
-  TextField,
-  Toolbar,
-  Typography,
-} from '@mui/material';
-import { ThemeProvider } from '@mui/material/styles';
-import { useRouter } from 'next/navigation';
-import { useCallback, useEffect, useState } from 'react';
-import ConstraintManagerTab from '@/components/admin/ConstraintManagerTab';
-import { theme } from '@/utils/theme';
-
-const DRAWER_WIDTH = 240;
-
-type TabPanelProps = {
-  children?: React.ReactNode;
-  index: number;
-  value: number;
-};
-
-function TabPanel(props: TabPanelProps) {
-  const { children, value, index, ...other } = props;
-
-  return (
-    <div
-      role="tabpanel"
-      hidden={value !== index}
-      id={`tabpanel-${index}`}
-      aria-labelledby={`tab-${index}`}
-      {...other}
-    >
-      {value === index && <Box sx={{ p: 3 }}>{children}</Box>}
-    </div>
-  );
-}
-
-export default function AdminDashboard() {
-  const router = useRouter();
-  const [tabValue, setTabValue] = useState(0);
-  const [tables, setTables] = useState<any[]>([]);
-  const [selectedTable, setSelectedTable] = useState<string>('');
-  const [queryText, setQueryText] = useState('');
-  const [queryResult, setQueryResult] = useState<any>(null);
-  const [tableSchema, setTableSchema] = useState<any>(null);
-  const [loading, setLoading] = useState(false);
-  const [error, setError] = useState('');
-  const [successMessage, setSuccessMessage] = useState('');
-
-  // Table Manager states
-  const [openCreateTableDialog, setOpenCreateTableDialog] = useState(false);
-  const [openDropTableDialog, setOpenDropTableDialog] = useState(false);
-  const [newTableName, setNewTableName] = useState('');
-  const [tableColumns, setTableColumns] = useState<any[]>([{ name: '', type: 'VARCHAR', length: 255, nullable: true, primaryKey: false }]);
-  const [tableToDelete, setTableToDelete] = useState('');
-  
-  // Column Manager states
-  const [openAddColumnDialog, setOpenAddColumnDialog] = useState(false);
-  const [openModifyColumnDialog, setOpenModifyColumnDialog] = useState(false);
-  const [openDropColumnDialog, setOpenDropColumnDialog] = useState(false);
-  const [selectedTableForColumn, setSelectedTableForColumn] = useState('');
-  const [newColumnName, setNewColumnName] = useState('');
-  const [newColumnType, setNewColumnType] = useState('VARCHAR');
-  const [newColumnNullable, setNewColumnNullable] = useState(true);
-  const [newColumnDefault, setNewColumnDefault] = useState('');
-  const [columnToModify, setColumnToModify] = useState('');
-  const [columnToDelete, setColumnToDelete] = useState('');
-
-  const fetchTables = useCallback(async () => {
-    try {
-      const response = await fetch('/api/admin/tables');
-      if (!response.ok) {
-        if (response.status === 401) {
-          router.push('/admin/login');
-          return;
-        }
-        throw new Error('Failed to fetch tables');
-      }
-      const data = await response.json();
-      setTables(data.tables);
-    } catch (err: any) {
-      setError(err.message);
-    }
-  }, [router]);
-
-  useEffect(() => {
-    fetchTables();
-  }, [fetchTables]);
-
-  useEffect(() => {
-    if (selectedTableForColumn && tabValue === 3) {
-      // Fetch schema when a table is selected in Column Manager
-      const fetchSchema = async () => {
-        try {
-          const schemaResponse = await fetch('/api/admin/table-schema', {
-            method: 'POST',
-            headers: {
-              'Content-Type': 'application/json',
-            },
-            body: JSON.stringify({ tableName: selectedTableForColumn }),
-          });
-          
-          if (schemaResponse.ok) {
-            const schemaData = await schemaResponse.json();
-            setTableSchema(schemaData);
-          }
-        } catch (err) {
-          console.error('Failed to fetch schema:', err);
-        }
-      };
-      fetchSchema();
-    }
-  }, [selectedTableForColumn, tabValue]);
-
-  const handleTableClick = async (tableName: string) => {
-    setSelectedTable(tableName);
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-    setQueryResult(null);
-
-    try {
-      // Fetch table data
-      const dataResponse = await fetch('/api/admin/table-data', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ tableName }),
-      });
-
-      if (!dataResponse.ok) {
-        const data = await dataResponse.json();
-        throw new Error(data.error || 'Query failed');
-      }
-
-      const data = await dataResponse.json();
-      setQueryResult(data);
-      
-      // Fetch table schema
-      const schemaResponse = await fetch('/api/admin/table-schema', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ tableName }),
-      });
-      
-      if (schemaResponse.ok) {
-        const schemaData = await schemaResponse.json();
-        setTableSchema(schemaData);
-      }
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleQuerySubmit = async () => {
-    if (!queryText.trim()) {
-      setError('Please enter a query');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setQueryResult(null);
-
-    try {
-      const response = await fetch('/api/admin/query', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ query: queryText }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Query failed');
-      }
-
-      setQueryResult(data);
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleLogout = async () => {
-    try {
-      await fetch('/api/admin/logout', {
-        method: 'POST',
-      });
-      router.push('/admin/login');
-      router.refresh();
-    } catch (err) {
-      console.error('Logout error:', err);
-    }
-  };
-
-  // Table Management Handlers
-  const handleCreateTable = async () => {
-    if (!newTableName.trim()) {
-      setError('Table name is required');
-      return;
-    }
-
-    if (tableColumns.length === 0 || !tableColumns[0].name) {
-      setError('At least one column is required');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const response = await fetch('/api/admin/table-manage', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
-          tableName: newTableName,
-          columns: tableColumns.filter(col => col.name.trim()),
-        }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Failed to create table');
-      }
-
-      setSuccessMessage(data.message);
-      setOpenCreateTableDialog(false);
-      setNewTableName('');
-      setTableColumns([{ name: '', type: 'VARCHAR', length: 255, nullable: true, primaryKey: false }]);
-      await fetchTables();
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleDropTable = async () => {
-    if (!tableToDelete) {
-      setError('Please select a table to drop');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const response = await fetch('/api/admin/table-manage', {
-        method: 'DELETE',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ tableName: tableToDelete }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Failed to drop table');
-      }
-
-      setSuccessMessage(data.message);
-      setOpenDropTableDialog(false);
-      setTableToDelete('');
-      if (selectedTable === tableToDelete) {
-        setSelectedTable('');
-        setQueryResult(null);
-      }
-      await fetchTables();
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const addColumnToTable = () => {
-    setTableColumns([...tableColumns, { name: '', type: 'VARCHAR', length: 255, nullable: true, primaryKey: false }]);
-  };
-
-  const updateColumnField = (index: number, field: string, value: any) => {
-    const updated = [...tableColumns];
-    updated[index] = { ...updated[index], [field]: value };
-    setTableColumns(updated);
-  };
-
-  const removeColumn = (index: number) => {
-    if (tableColumns.length > 1) {
-      setTableColumns(tableColumns.filter((_, i) => i !== index));
-    }
-  };
-
-  // Column Management Handlers
-  const handleAddColumn = async () => {
-    if (!selectedTableForColumn || !newColumnName.trim() || !newColumnType) {
-      setError('Table name, column name, and data type are required');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const payload: any = {
-        tableName: selectedTableForColumn,
-        columnName: newColumnName,
-        dataType: newColumnType,
-        nullable: newColumnNullable,
-      };
-
-      if (newColumnDefault) {
-        payload.defaultValue = newColumnDefault;
-      }
-
-      const response = await fetch('/api/admin/column-manage', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify(payload),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Failed to add column');
-      }
-
-      setSuccessMessage(data.message);
-      setOpenAddColumnDialog(false);
-      setNewColumnName('');
-      setNewColumnType('VARCHAR');
-      setNewColumnNullable(true);
-      setNewColumnDefault('');
-      
-      // Refresh table schema if viewing the modified table
-      if (selectedTable === selectedTableForColumn) {
-        await handleTableClick(selectedTableForColumn);
-      }
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleModifyColumn = async () => {
-    if (!selectedTableForColumn || !columnToModify) {
-      setError('Table name and column name are required');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const response = await fetch('/api/admin/column-manage', {
-        method: 'PUT',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
-          tableName: selectedTableForColumn,
-          columnName: columnToModify,
-          newType: newColumnType,
-          nullable: newColumnNullable,
-        }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Failed to modify column');
-      }
-
-      setSuccessMessage(data.message);
-      setOpenModifyColumnDialog(false);
-      setColumnToModify('');
-      setNewColumnType('VARCHAR');
-      setNewColumnNullable(true);
-      
-      // Refresh table schema if viewing the modified table
-      if (selectedTable === selectedTableForColumn) {
-        await handleTableClick(selectedTableForColumn);
-      }
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleDropColumn = async () => {
-    if (!selectedTableForColumn || !columnToDelete) {
-      setError('Table name and column name are required');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const response = await fetch('/api/admin/column-manage', {
-        method: 'DELETE',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
-          tableName: selectedTableForColumn,
-          columnName: columnToDelete,
-        }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Failed to drop column');
-      }
-
-      setSuccessMessage(data.message);
-      setOpenDropColumnDialog(false);
-      setColumnToDelete('');
-      
-      // Refresh table schema if viewing the modified table
-      if (selectedTable === selectedTableForColumn) {
-        await handleTableClick(selectedTableForColumn);
-      }
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  // Constraint Management Handlers
-  const handleAddConstraint = async (tableName: string, data: any) => {
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const response = await fetch('/api/admin/constraints', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
-          tableName,
-          ...data,
-        }),
-      });
-
-      const result = await response.json();
-
-      if (!response.ok) {
-        throw new Error(result.error || 'Failed to add constraint');
-      }
-
-      setSuccessMessage(result.message || 'Constraint added successfully');
-    } catch (err: any) {
-      setError(err.message);
-      throw err;
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleDropConstraint = async (tableName: string, constraintName: string) => {
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-
-    try {
-      const response = await fetch('/api/admin/constraints', {
-        method: 'DELETE',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({
-          tableName,
-          constraintName,
-        }),
-      });
-
-      const result = await response.json();
-
-      if (!response.ok) {
-        throw new Error(result.error || 'Failed to drop constraint');
-      }
-
-      setSuccessMessage(result.message || 'Constraint dropped successfully');
-    } catch (err: any) {
-      setError(err.message);
-      throw err;
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  return (
-    <ThemeProvider theme={theme}>
-      <Box sx={{ display: 'flex' }}>
-        <AppBar
-          position="fixed"
-          sx={{ zIndex: theme => theme.zIndex.drawer + 1 }}
-        >
-          <Toolbar>
-            <StorageIcon sx={{ mr: 2 }} />
-            <Typography variant="h6" noWrap component="div" sx={{ flexGrow: 1 }}>
-              Postgres Admin Panel
-            </Typography>
-            <Button color="inherit" onClick={handleLogout} startIcon={<LogoutIcon />}>
-              Logout
-            </Button>
-          </Toolbar>
-        </AppBar>
-
-        <Drawer
-          variant="permanent"
-          sx={{
-            'width': DRAWER_WIDTH,
-            'flexShrink': 0,
-            '& .MuiDrawer-paper': {
-              width: DRAWER_WIDTH,
-              boxSizing: 'border-box',
-            },
-          }}
-        >
-          <Toolbar />
-          <Box sx={{ overflow: 'auto' }}>
-            <List>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(0)}>
-                  <ListItemIcon>
-                    <StorageIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="Tables" />
-                </ListItemButton>
-              </ListItem>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(1)}>
-                  <ListItemIcon>
-                    <CodeIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="SQL Query" />
-                </ListItemButton>
-              </ListItem>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(2)}>
-                  <ListItemIcon>
-                    <TableChartIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="Table Manager" />
-                </ListItemButton>
-              </ListItem>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(3)}>
-                  <ListItemIcon>
-                    <ViewColumnIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="Column Manager" />
-                </ListItemButton>
-              </ListItem>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(4)}>
-                  <ListItemIcon>
-                    <RuleIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="Constraints" />
-                </ListItemButton>
-              </ListItem>
-            </List>
-          </Box>
-        </Drawer>
-
-        <Box
-          component="main"
-          sx={{
-            flexGrow: 1,
-            bgcolor: 'background.default',
-            p: 3,
-          }}
-        >
-          <Toolbar />
-
-          <TabPanel value={tabValue} index={0}>
-            <Typography variant="h5" gutterBottom>
-              Database Tables
-            </Typography>
-
-            <Paper sx={{ mt: 2, mb: 2 }}>
-              <List>
-                {tables.map(table => (
-                  <ListItem key={table.table_name} disablePadding>
-                    <ListItemButton onClick={() => handleTableClick(table.table_name)}>
-                      <ListItemIcon>
-                        <StorageIcon />
-                      </ListItemIcon>
-                      <ListItemText primary={table.table_name} />
-                    </ListItemButton>
-                  </ListItem>
-                ))}
-              </List>
-            </Paper>
-
-            {selectedTable && (
-              <Typography variant="h6" gutterBottom>
-                Table:
-                {' '}
-                {selectedTable}
-              </Typography>
-            )}
-          </TabPanel>
-
-          <TabPanel value={tabValue} index={1}>
-            <Typography variant="h5" gutterBottom>
-              SQL Query Interface
-            </Typography>
-
-            <Paper sx={{ p: 2, mt: 2 }}>
-              <TextField
-                fullWidth
-                multiline
-                rows={6}
-                label="SQL Query (SELECT only)"
-                variant="outlined"
-                value={queryText}
-                onChange={e => setQueryText(e.target.value)}
-                placeholder="SELECT * FROM your_table LIMIT 10;"
-                sx={{ mb: 2 }}
-              />
-              <Button
-                variant="contained"
-                onClick={handleQuerySubmit}
-                disabled={loading}
-              >
-                {loading ? <CircularProgress size={24} /> : 'Execute Query'}
-              </Button>
-            </Paper>
-          </TabPanel>
-
-          <TabPanel value={tabValue} index={2}>
-            <Typography variant="h5" gutterBottom>
-              Table Manager
-            </Typography>
-
-            <Box sx={{ mt: 2, mb: 2 }}>
-              <Button
-                variant="contained"
-                startIcon={<AddIcon />}
-                onClick={() => setOpenCreateTableDialog(true)}
-                sx={{ mr: 2 }}
-              >
-                Create Table
-              </Button>
-              <Button
-                variant="outlined"
-                color="error"
-                startIcon={<DeleteIcon />}
-                onClick={() => setOpenDropTableDialog(true)}
-              >
-                Drop Table
-              </Button>
-            </Box>
-
-            <Paper sx={{ mt: 2 }}>
-              <Box sx={{ p: 2 }}>
-                <Typography variant="h6" gutterBottom>
-                  Existing Tables
-                </Typography>
-                <List>
-                  {tables.map(table => (
-                    <ListItem key={table.table_name}>
-                      <ListItemIcon>
-                        <TableChartIcon />
-                      </ListItemIcon>
-                      <ListItemText primary={table.table_name} />
-                    </ListItem>
-                  ))}
-                  {tables.length === 0 && (
-                    <ListItem>
-                      <ListItemText primary="No tables found" />
-                    </ListItem>
-                  )}
-                </List>
-              </Box>
-            </Paper>
-          </TabPanel>
-
-          <TabPanel value={tabValue} index={3}>
-            <Typography variant="h5" gutterBottom>
-              Column Manager
-            </Typography>
-
-            <Paper sx={{ p: 2, mt: 2, mb: 2 }}>
-              <Typography variant="subtitle1" gutterBottom>
-                Select a table to manage its columns:
-              </Typography>
-              <Select
-                fullWidth
-                value={selectedTableForColumn}
-                onChange={e => setSelectedTableForColumn(e.target.value)}
-                displayEmpty
-              >
-                <MenuItem value="">
-                  <em>Select a table</em>
-                </MenuItem>
-                {tables.map(table => (
-                  <MenuItem key={table.table_name} value={table.table_name}>
-                    {table.table_name}
-                  </MenuItem>
-                ))}
-              </Select>
-            </Paper>
-
-            {selectedTableForColumn && (
-              <>
-                <Box sx={{ mb: 2 }}>
-                  <Button
-                    variant="contained"
-                    startIcon={<AddIcon />}
-                    onClick={() => setOpenAddColumnDialog(true)}
-                    sx={{ mr: 2 }}
-                  >
-                    Add Column
-                  </Button>
-                  <Button
-                    variant="outlined"
-                    startIcon={<EditIcon />}
-                    onClick={() => setOpenModifyColumnDialog(true)}
-                    sx={{ mr: 2 }}
-                  >
-                    Modify Column
-                  </Button>
-                  <Button
-                    variant="outlined"
-                    color="error"
-                    startIcon={<DeleteIcon />}
-                    onClick={() => setOpenDropColumnDialog(true)}
-                  >
-                    Drop Column
-                  </Button>
-                </Box>
-
-                {tableSchema && (
-                  <Paper sx={{ mt: 2 }}>
-                    <Box sx={{ p: 2 }}>
-                      <Typography variant="h6" gutterBottom>
-                        Current Columns for {selectedTableForColumn}
-                      </Typography>
-                      <TableContainer>
-                        <Table size="small">
-                          <TableHead>
-                            <TableRow>
-                              <TableCell><strong>Column Name</strong></TableCell>
-                              <TableCell><strong>Data Type</strong></TableCell>
-                              <TableCell><strong>Nullable</strong></TableCell>
-                              <TableCell><strong>Default</strong></TableCell>
-                            </TableRow>
-                          </TableHead>
-                          <TableBody>
-                            {tableSchema.columns?.map((col: any) => (
-                              <TableRow key={col.column_name}>
-                                <TableCell>{col.column_name}</TableCell>
-                                <TableCell>{col.data_type}</TableCell>
-                                <TableCell>{col.is_nullable}</TableCell>
-                                <TableCell>{col.column_default || 'NULL'}</TableCell>
-                              </TableRow>
-                            ))}
-                          </TableBody>
-                        </Table>
-                      </TableContainer>
-                    </Box>
-                  </Paper>
-                )}
-              </>
-            )}
-          </TabPanel>
-
-          <TabPanel value={tabValue} index={4}>
-            <ConstraintManagerTab
-              tables={tables}
-              onAddConstraint={handleAddConstraint}
-              onDropConstraint={handleDropConstraint}
-            />
-          </TabPanel>
-
-          {successMessage && (
-            <Alert severity="success" sx={{ mt: 2 }} onClose={() => setSuccessMessage('')}>
-              {successMessage}
-            </Alert>
-          )}
-
-          {error && (
-            <Alert severity="error" sx={{ mt: 2 }}>
-              {error}
-            </Alert>
-          )}
-
-          {loading && (
-            <Box sx={{ display: 'flex', justifyContent: 'center', mt: 4 }}>
-              <CircularProgress />
-            </Box>
-          )}
-
-          {queryResult && !loading && (
-            <Paper sx={{ mt: 2, overflow: 'auto' }}>
-              <Box sx={{ p: 2 }}>
-                <Typography variant="subtitle2" gutterBottom>
-                  Rows returned:
-                  {' '}
-                  {queryResult.rowCount}
-                </Typography>
-              </Box>
-              <TableContainer>
-                <Table size="small">
-                  <TableHead>
-                    <TableRow>
-                      {queryResult.fields?.map((field: any) => (
-                        <TableCell key={field.name}>
-                          <strong>{field.name}</strong>
-                        </TableCell>
-                      ))}
-                    </TableRow>
-                  </TableHead>
-                  <TableBody>
-                    {queryResult.rows?.map((row: any, idx: number) => (
-                      <TableRow key={idx}>
-                        {queryResult.fields?.map((field: any) => (
-                          <TableCell key={field.name}>
-                            {row[field.name] !== null
-                              ? String(row[field.name])
-                              : 'NULL'}
-                          </TableCell>
-                        ))}
-                      </TableRow>
-                    ))}
-                  </TableBody>
-                </Table>
-              </TableContainer>
-            </Paper>
-          )}
-        </Box>
-
-        {/* Create Table Dialog */}
-        <Dialog open={openCreateTableDialog} onClose={() => setOpenCreateTableDialog(false)} maxWidth="md" fullWidth>
-          <DialogTitle>Create New Table</DialogTitle>
-          <DialogContent>
-            <TextField
-              fullWidth
-              label="Table Name"
-              value={newTableName}
-              onChange={e => setNewTableName(e.target.value)}
-              sx={{ mt: 2, mb: 2 }}
-            />
-            <Typography variant="subtitle1" gutterBottom>
-              Columns:
-            </Typography>
-            {tableColumns.map((col, index) => (
-              <Box key={index} sx={{ mb: 2, p: 2, border: '1px solid #ddd', borderRadius: 1 }}>
-                <TextField
-                  label="Column Name"
-                  value={col.name}
-                  onChange={e => updateColumnField(index, 'name', e.target.value)}
-                  sx={{ mr: 1, mb: 1 }}
-                />
-                <Select
-                  value={col.type}
-                  onChange={e => updateColumnField(index, 'type', e.target.value)}
-                  sx={{ mr: 1, mb: 1, minWidth: 120 }}
-                >
-                  <MenuItem value="INTEGER">INTEGER</MenuItem>
-                  <MenuItem value="BIGINT">BIGINT</MenuItem>
-                  <MenuItem value="SERIAL">SERIAL</MenuItem>
-                  <MenuItem value="VARCHAR">VARCHAR</MenuItem>
-                  <MenuItem value="TEXT">TEXT</MenuItem>
-                  <MenuItem value="BOOLEAN">BOOLEAN</MenuItem>
-                  <MenuItem value="TIMESTAMP">TIMESTAMP</MenuItem>
-                  <MenuItem value="DATE">DATE</MenuItem>
-                  <MenuItem value="JSON">JSON</MenuItem>
-                  <MenuItem value="JSONB">JSONB</MenuItem>
-                </Select>
-                {(col.type === 'VARCHAR') && (
-                  <TextField
-                    label="Length"
-                    type="number"
-                    value={col.length || 255}
-                    onChange={e => updateColumnField(index, 'length', e.target.value)}
-                    sx={{ mr: 1, mb: 1, width: 100 }}
-                  />
-                )}
-                <FormControlLabel
-                  control={
-                    <Checkbox
-                      checked={col.nullable}
-                      onChange={e => updateColumnField(index, 'nullable', e.target.checked)}
-                    />
-                  }
-                  label="Nullable"
-                  sx={{ mr: 1 }}
-                />
-                <FormControlLabel
-                  control={
-                    <Checkbox
-                      checked={col.primaryKey}
-                      onChange={e => updateColumnField(index, 'primaryKey', e.target.checked)}
-                    />
-                  }
-                  label="Primary Key"
-                  sx={{ mr: 1 }}
-                />
-                {tableColumns.length > 1 && (
-                  <IconButton onClick={() => removeColumn(index)} color="error" size="small">
-                    <DeleteIcon />
-                  </IconButton>
-                )}
-              </Box>
-            ))}
-            <Button startIcon={<AddIcon />} onClick={addColumnToTable} variant="outlined">
-              Add Column
-            </Button>
-          </DialogContent>
-          <DialogActions>
-            <Button onClick={() => setOpenCreateTableDialog(false)}>Cancel</Button>
-            <Button onClick={handleCreateTable} variant="contained" disabled={loading}>
-              Create Table
-            </Button>
-          </DialogActions>
-        </Dialog>
-
-        {/* Drop Table Dialog */}
-        <Dialog open={openDropTableDialog} onClose={() => setOpenDropTableDialog(false)}>
-          <DialogTitle>Drop Table</DialogTitle>
-          <DialogContent>
-            <Typography variant="body2" color="error" gutterBottom>
-              Warning: This will permanently delete the table and all its data!
-            </Typography>
-            <Select
-              fullWidth
-              value={tableToDelete}
-              onChange={e => setTableToDelete(e.target.value)}
-              displayEmpty
-              sx={{ mt: 2 }}
-            >
-              <MenuItem value="">
-                <em>Select a table to drop</em>
-              </MenuItem>
-              {tables.map(table => (
-                <MenuItem key={table.table_name} value={table.table_name}>
-                  {table.table_name}
-                </MenuItem>
-              ))}
-            </Select>
-          </DialogContent>
-          <DialogActions>
-            <Button onClick={() => setOpenDropTableDialog(false)}>Cancel</Button>
-            <Button onClick={handleDropTable} color="error" variant="contained" disabled={loading}>
-              Drop Table
-            </Button>
-          </DialogActions>
-        </Dialog>
-
-        {/* Add Column Dialog */}
-        <Dialog open={openAddColumnDialog} onClose={() => setOpenAddColumnDialog(false)}>
-          <DialogTitle>Add Column to {selectedTableForColumn}</DialogTitle>
-          <DialogContent>
-            <TextField
-              fullWidth
-              label="Column Name"
-              value={newColumnName}
-              onChange={e => setNewColumnName(e.target.value)}
-              sx={{ mt: 2, mb: 2 }}
-            />
-            <Select
-              fullWidth
-              value={newColumnType}
-              onChange={e => setNewColumnType(e.target.value)}
-              sx={{ mb: 2 }}
-            >
-              <MenuItem value="INTEGER">INTEGER</MenuItem>
-              <MenuItem value="BIGINT">BIGINT</MenuItem>
-              <MenuItem value="SERIAL">SERIAL</MenuItem>
-              <MenuItem value="VARCHAR">VARCHAR(255)</MenuItem>
-              <MenuItem value="TEXT">TEXT</MenuItem>
-              <MenuItem value="BOOLEAN">BOOLEAN</MenuItem>
-              <MenuItem value="TIMESTAMP">TIMESTAMP</MenuItem>
-              <MenuItem value="DATE">DATE</MenuItem>
-              <MenuItem value="JSON">JSON</MenuItem>
-              <MenuItem value="JSONB">JSONB</MenuItem>
-            </Select>
-            <FormControlLabel
-              control={
-                <Checkbox
-                  checked={newColumnNullable}
-                  onChange={e => setNewColumnNullable(e.target.checked)}
-                />
-              }
-              label="Nullable"
-              sx={{ mb: 2 }}
-            />
-            <TextField
-              fullWidth
-              label="Default Value (optional)"
-              value={newColumnDefault}
-              onChange={e => setNewColumnDefault(e.target.value)}
-            />
-          </DialogContent>
-          <DialogActions>
-            <Button onClick={() => setOpenAddColumnDialog(false)}>Cancel</Button>
-            <Button onClick={handleAddColumn} variant="contained" disabled={loading}>
-              Add Column
-            </Button>
-          </DialogActions>
-        </Dialog>
-
-        {/* Modify Column Dialog */}
-        <Dialog open={openModifyColumnDialog} onClose={() => setOpenModifyColumnDialog(false)}>
-          <DialogTitle>Modify Column in {selectedTableForColumn}</DialogTitle>
-          <DialogContent>
-            <Select
-              fullWidth
-              value={columnToModify}
-              onChange={e => setColumnToModify(e.target.value)}
-              displayEmpty
-              sx={{ mt: 2, mb: 2 }}
-            >
-              <MenuItem value="">
-                <em>Select a column to modify</em>
-              </MenuItem>
-              {tableSchema?.columns?.map((col: any) => (
-                <MenuItem key={col.column_name} value={col.column_name}>
-                  {col.column_name}
-                </MenuItem>
-              ))}
-            </Select>
-            {columnToModify && (
-              <>
-                <Select
-                  fullWidth
-                  value={newColumnType}
-                  onChange={e => setNewColumnType(e.target.value)}
-                  sx={{ mb: 2 }}
-                >
-                  <MenuItem value="INTEGER">INTEGER</MenuItem>
-                  <MenuItem value="BIGINT">BIGINT</MenuItem>
-                  <MenuItem value="VARCHAR">VARCHAR(255)</MenuItem>
-                  <MenuItem value="TEXT">TEXT</MenuItem>
-                  <MenuItem value="BOOLEAN">BOOLEAN</MenuItem>
-                  <MenuItem value="TIMESTAMP">TIMESTAMP</MenuItem>
-                  <MenuItem value="DATE">DATE</MenuItem>
-                  <MenuItem value="JSON">JSON</MenuItem>
-                  <MenuItem value="JSONB">JSONB</MenuItem>
-                </Select>
-                <FormControlLabel
-                  control={
-                    <Checkbox
-                      checked={newColumnNullable}
-                      onChange={e => setNewColumnNullable(e.target.checked)}
-                    />
-                  }
-                  label="Nullable"
-                />
-              </>
-            )}
-          </DialogContent>
-          <DialogActions>
-            <Button onClick={() => setOpenModifyColumnDialog(false)}>Cancel</Button>
-            <Button onClick={handleModifyColumn} variant="contained" disabled={loading || !columnToModify}>
-              Modify Column
-            </Button>
-          </DialogActions>
-        </Dialog>
-
-        {/* Drop Column Dialog */}
-        <Dialog open={openDropColumnDialog} onClose={() => setOpenDropColumnDialog(false)}>
-          <DialogTitle>Drop Column from {selectedTableForColumn}</DialogTitle>
-          <DialogContent>
-            <Typography variant="body2" color="error" gutterBottom>
-              Warning: This will permanently delete the column and all its data!
-            </Typography>
-            <Select
-              fullWidth
-              value={columnToDelete}
-              onChange={e => setColumnToDelete(e.target.value)}
-              displayEmpty
-              sx={{ mt: 2 }}
-            >
-              <MenuItem value="">
-                <em>Select a column to drop</em>
-              </MenuItem>
-              {tableSchema?.columns?.map((col: any) => (
-                <MenuItem key={col.column_name} value={col.column_name}>
-                  {col.column_name}
-                </MenuItem>
-              ))}
-            </Select>
-          </DialogContent>
-          <DialogActions>
-            <Button onClick={() => setOpenDropColumnDialog(false)}>Cancel</Button>
-            <Button onClick={handleDropColumn} color="error" variant="contained" disabled={loading || !columnToDelete}>
-              Drop Column
-            </Button>
-          </DialogActions>
-        </Dialog>
-      </Box>
-    </ThemeProvider>
-  );
-}
diff --git a/src/app/admin/dashboard/page.tsx b/src/app/admin/dashboard/page.tsx
index 3b733d4..1f019fc 100644
--- a/src/app/admin/dashboard/page.tsx
+++ b/src/app/admin/dashboard/page.tsx
@@ -32,14 +32,14 @@ import {
 import { ThemeProvider } from '@mui/material/styles';
 import { useRouter } from 'next/navigation';
 import { useCallback, useEffect, useState } from 'react';
-import TablesTab from '@/components/admin/TablesTab';
-import SQLQueryTab from '@/components/admin/SQLQueryTab';
-import TableManagerTab from '@/components/admin/TableManagerTab';
 import ColumnManagerTab from '@/components/admin/ColumnManagerTab';
 import ConstraintManagerTab from '@/components/admin/ConstraintManagerTab';
-import QueryBuilderTab from '@/components/admin/QueryBuilderTab';
 import IndexManagerTab from '@/components/admin/IndexManagerTab';
-import { getNavItems, getFeatureById } from '@/utils/featureConfig';
+import QueryBuilderTab from '@/components/admin/QueryBuilderTab';
+import SQLQueryTab from '@/components/admin/SQLQueryTab';
+import TableManagerTab from '@/components/admin/TableManagerTab';
+import TablesTab from '@/components/admin/TablesTab';
+import { getFeatureById, getNavItems } from '@/utils/featureConfig';
 import { theme } from '@/utils/theme';
 import Button from '@mui/material/Button';
 
diff --git a/src/app/admin/dashboard/page.tsx.backup b/src/app/admin/dashboard/page.tsx.backup
deleted file mode 100644
index 275d9ea..0000000
--- a/src/app/admin/dashboard/page.tsx.backup
+++ /dev/null
@@ -1,369 +0,0 @@
-'use client';
-
-import AddIcon from '@mui/icons-material/Add';
-import CodeIcon from '@mui/icons-material/Code';
-import DeleteIcon from '@mui/icons-material/Delete';
-import EditIcon from '@mui/icons-material/Edit';
-import LogoutIcon from '@mui/icons-material/Logout';
-import StorageIcon from '@mui/icons-material/Storage';
-import TableChartIcon from '@mui/icons-material/TableChart';
-import {
-  Alert,
-  AppBar,
-  Box,
-  Button,
-  CircularProgress,
-  Dialog,
-  DialogActions,
-  DialogContent,
-  DialogTitle,
-  Drawer,
-  IconButton,
-  List,
-  ListItem,
-  ListItemButton,
-  ListItemIcon,
-  ListItemText,
-  Paper,
-  Table,
-  TableBody,
-  TableCell,
-  TableContainer,
-  TableHead,
-  TableRow,
-  TextField,
-  Toolbar,
-  Typography,
-} from '@mui/material';
-import { ThemeProvider } from '@mui/material/styles';
-import { useRouter } from 'next/navigation';
-import { useCallback, useEffect, useState } from 'react';
-import { theme } from '@/utils/theme';
-
-const DRAWER_WIDTH = 240;
-
-type TabPanelProps = {
-  children?: React.ReactNode;
-  index: number;
-  value: number;
-};
-
-function TabPanel(props: TabPanelProps) {
-  const { children, value, index, ...other } = props;
-
-  return (
-    <div
-      role="tabpanel"
-      hidden={value !== index}
-      id={`tabpanel-${index}`}
-      aria-labelledby={`tab-${index}`}
-      {...other}
-    >
-      {value === index && <Box sx={{ p: 3 }}>{children}</Box>}
-    </div>
-  );
-}
-
-export default function AdminDashboard() {
-  const router = useRouter();
-  const [tabValue, setTabValue] = useState(0);
-  const [tables, setTables] = useState<any[]>([]);
-  const [selectedTable, setSelectedTable] = useState<string>('');
-  const [queryText, setQueryText] = useState('');
-  const [queryResult, setQueryResult] = useState<any>(null);
-  const [tableSchema, setTableSchema] = useState<any>(null);
-  const [loading, setLoading] = useState(false);
-  const [error, setError] = useState('');
-  const [successMessage, setSuccessMessage] = useState('');
-  
-  // Dialog states
-  const [openCreateDialog, setOpenCreateDialog] = useState(false);
-  const [openEditDialog, setOpenEditDialog] = useState(false);
-  const [openDeleteDialog, setOpenDeleteDialog] = useState(false);
-  const [editingRecord, setEditingRecord] = useState<any>(null);
-  const [deletingRecord, setDeletingRecord] = useState<any>(null);
-  const [formData, setFormData] = useState<any>({});
-
-  const fetchTables = useCallback(async () => {
-    try {
-      const response = await fetch('/api/admin/tables');
-      if (!response.ok) {
-        if (response.status === 401) {
-          router.push('/admin/login');
-          return;
-        }
-        throw new Error('Failed to fetch tables');
-      }
-      const data = await response.json();
-      setTables(data.tables);
-    } catch (err: any) {
-      setError(err.message);
-    }
-  }, [router]);
-
-  useEffect(() => {
-    fetchTables();
-  }, [fetchTables]);
-
-  const handleTableClick = async (tableName: string) => {
-    setSelectedTable(tableName);
-    setLoading(true);
-    setError('');
-    setSuccessMessage('');
-    setQueryResult(null);
-
-    try {
-      // Fetch table data
-      const dataResponse = await fetch('/api/admin/table-data', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ tableName }),
-      });
-
-      if (!response.ok) {
-        const data = await dataResponse.json();
-        throw new Error(data.error || 'Query failed');
-      }
-
-      const data = await dataResponse.json();
-      setQueryResult(data);
-      
-      // Fetch table schema
-      const schemaResponse = await fetch('/api/admin/table-schema', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ tableName }),
-      });
-      
-      if (schemaResponse.ok) {
-        const schemaData = await schemaResponse.json();
-        setTableSchema(schemaData);
-      }
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleQuerySubmit = async () => {
-    if (!queryText.trim()) {
-      setError('Please enter a query');
-      return;
-    }
-
-    setLoading(true);
-    setError('');
-    setQueryResult(null);
-
-    try {
-      const response = await fetch('/api/admin/query', {
-        method: 'POST',
-        headers: {
-          'Content-Type': 'application/json',
-        },
-        body: JSON.stringify({ query: queryText }),
-      });
-
-      const data = await response.json();
-
-      if (!response.ok) {
-        throw new Error(data.error || 'Query failed');
-      }
-
-      setQueryResult(data);
-    } catch (err: any) {
-      setError(err.message);
-    } finally {
-      setLoading(false);
-    }
-  };
-
-  const handleLogout = async () => {
-    try {
-      await fetch('/api/admin/logout', {
-        method: 'POST',
-      });
-      router.push('/admin/login');
-      router.refresh();
-    } catch (err) {
-      console.error('Logout error:', err);
-    }
-  };
-
-  return (
-    <ThemeProvider theme={theme}>
-      <Box sx={{ display: 'flex' }}>
-        <AppBar
-          position="fixed"
-          sx={{ zIndex: theme => theme.zIndex.drawer + 1 }}
-        >
-          <Toolbar>
-            <StorageIcon sx={{ mr: 2 }} />
-            <Typography variant="h6" noWrap component="div" sx={{ flexGrow: 1 }}>
-              Postgres Admin Panel
-            </Typography>
-            <Button color="inherit" onClick={handleLogout} startIcon={<LogoutIcon />}>
-              Logout
-            </Button>
-          </Toolbar>
-        </AppBar>
-
-        <Drawer
-          variant="permanent"
-          sx={{
-            'width': DRAWER_WIDTH,
-            'flexShrink': 0,
-            '& .MuiDrawer-paper': {
-              width: DRAWER_WIDTH,
-              boxSizing: 'border-box',
-            },
-          }}
-        >
-          <Toolbar />
-          <Box sx={{ overflow: 'auto' }}>
-            <List>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(0)}>
-                  <ListItemIcon>
-                    <StorageIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="Tables" />
-                </ListItemButton>
-              </ListItem>
-              <ListItem disablePadding>
-                <ListItemButton onClick={() => setTabValue(1)}>
-                  <ListItemIcon>
-                    <CodeIcon />
-                  </ListItemIcon>
-                  <ListItemText primary="SQL Query" />
-                </ListItemButton>
-              </ListItem>
-            </List>
-          </Box>
-        </Drawer>
-
-        <Box
-          component="main"
-          sx={{
-            flexGrow: 1,
-            bgcolor: 'background.default',
-            p: 3,
-          }}
-        >
-          <Toolbar />
-
-          <TabPanel value={tabValue} index={0}>
-            <Typography variant="h5" gutterBottom>
-              Database Tables
-            </Typography>
-
-            <Paper sx={{ mt: 2, mb: 2 }}>
-              <List>
-                {tables.map(table => (
-                  <ListItem key={table.table_name} disablePadding>
-                    <ListItemButton onClick={() => handleTableClick(table.table_name)}>
-                      <ListItemIcon>
-                        <StorageIcon />
-                      </ListItemIcon>
-                      <ListItemText primary={table.table_name} />
-                    </ListItemButton>
-                  </ListItem>
-                ))}
-              </List>
-            </Paper>
-
-            {selectedTable && (
-              <Typography variant="h6" gutterBottom>
-                Table:
-                {' '}
-                {selectedTable}
-              </Typography>
-            )}
-          </TabPanel>
-
-          <TabPanel value={tabValue} index={1}>
-            <Typography variant="h5" gutterBottom>
-              SQL Query Interface
-            </Typography>
-
-            <Paper sx={{ p: 2, mt: 2 }}>
-              <TextField
-                fullWidth
-                multiline
-                rows={6}
-                label="SQL Query (SELECT only)"
-                variant="outlined"
-                value={queryText}
-                onChange={e => setQueryText(e.target.value)}
-                placeholder="SELECT * FROM your_table LIMIT 10;"
-                sx={{ mb: 2 }}
-              />
-              <Button
-                variant="contained"
-                onClick={handleQuerySubmit}
-                disabled={loading}
-              >
-                {loading ? <CircularProgress size={24} /> : 'Execute Query'}
-              </Button>
-            </Paper>
-          </TabPanel>
-
-          {error && (
-            <Alert severity="error" sx={{ mt: 2 }}>
-              {error}
-            </Alert>
-          )}
-
-          {loading && (
-            <Box sx={{ display: 'flex', justifyContent: 'center', mt: 4 }}>
-              <CircularProgress />
-            </Box>
-          )}
-
-          {queryResult && !loading && (
-            <Paper sx={{ mt: 2, overflow: 'auto' }}>
-              <Box sx={{ p: 2 }}>
-                <Typography variant="subtitle2" gutterBottom>
-                  Rows returned:
-                  {' '}
-                  {queryResult.rowCount}
-                </Typography>
-              </Box>
-              <TableContainer>
-                <Table size="small">
-                  <TableHead>
-                    <TableRow>
-                      {queryResult.fields?.map((field: any) => (
-                        <TableCell key={field.name}>
-                          <strong>{field.name}</strong>
-                        </TableCell>
-                      ))}
-                    </TableRow>
-                  </TableHead>
-                  <TableBody>
-                    {queryResult.rows?.map((row: any, idx: number) => (
-                      <TableRow key={idx}>
-                        {queryResult.fields?.map((field: any) => (
-                          <TableCell key={field.name}>
-                            {row[field.name] !== null
-                              ? String(row[field.name])
-                              : 'NULL'}
-                          </TableCell>
-                        ))}
-                      </TableRow>
-                    ))}
-                  </TableBody>
-                </Table>
-              </TableContainer>
-            </Paper>
-          )}
-        </Box>
-      </Box>
-    </ThemeProvider>
-  );
-}