Use this page to determine the default behavior of the designer. To access the settings, on the Tools menu, click Options, expand the Designers folder, and click Table Designer.

Override connection string time-out value for table designer updates

Permits a new time-out value to be set for the actions of the table designer. This can be useful when the table designer affects a large table and requires extra time to complete the table modification.

Transaction time-out after

Sets a time-out value for the table designer.

Auto generate change scripts

Automatically creates a script to implement the changes defined in the table designer.

Warn on null primary keys

Provides a warning dialog box when a field that is selected for a primary key can contain null values.

Warn about difference detection

If you check this box, when you save the changes, a message box will list any conflicts between your changes and changes that were made by another user.

Warn about tables affected

Provides a warning dialog box that lists the tables to be affected by the action and prompts for confirmation.

Prevent saving changes that require table re-creation

Prevents a user from making changes that require re-creating the table. The following actions might require a table to be re-created:

• Adding a new column to the middle of the table
  
• Dropping a column
  
• Changing column nullability
  
• Changing the order of the columns
  
• Changing the data type of a column
  

Default table view

Select the way you want to see tables in the designers:

• Standard
  Shows the table header, all column names, data types, and the Allow Nulls setting.
  
• Column Names
  Shows the column names.
  
• Key
  Shows the table header and the primary key columns.
  
• Name Only
  Shows only the table header with it's name.
  
• Custom
  Allows you to choose which columns to view.
  

Launch add table dialog on new diagram

Automatically opens the Add Table dialog box when the designers open.