Editing a Table

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While viewing a table description, you can edit it by clicking the buttons above the table description.

To edit a table:

  1. On the Database Home Page, click the Object Browser icon.

    Object Browser appears.

  2. From the Object list, select Tables.

  3. From the Object Selection pane, select a table.

    The table description appears.

  4. Click the appropriate button described in Table: Edit Table Buttons.

    Edit Table Buttons

    Button Description

    Add Column

    Adds a new column to the table. Enter a column name and select a type. Depending upon the column type, specify whether the column requires a value as well as the column length, precision, and scale.

    Modify Column

    Modifies the selected column.

    Rename Column

    Renames the selected column.

    Drop Column

    Drops the selected column.

    Rename

    Renames the selected table.

    Copy

    Copies the selected table.

    Drop

    Drops the selected table.

    See Also: "Using the Recycle Bin to View and Restore Dropped Objects"

    Truncate

    Removes all rows from the selected table. Truncating a table can be more efficient than dropping and re-creating a table. Dropping and re-creating a table may invalidate dependent objects, requiring you to regrant object privileges or re-create indexes, integrity constraints, and triggers.

    Create Lookup Table

    Creates a lookup table based on the column you select. That column becomes a foreign key to the lookup table.