ASA SQL User's Guide
  Ensuring Data Integrity
    Using column defaults

Working with column defaults in Sybase Central

You can add, alter, and delete column defaults in Sybase Central using the Value tab of the column properties sheet.

To display the property sheet for a column

1. Connect to the database.

2. Open the Tables folder for that database.

3. Double-click the table holding the column you want to change.

4. In the right pane, click the Columns tab.

5. Select the desired column.

6. Choose File > Properties.

   The column's property sheet appears.