Type values for the column in the dialog box.
If you select the Primary key checkbox, the column is included in the primary key, and you need to select an index.
(Optional) Use the Check checkbox to enter constraints to be checked while inserting or updating data in that column.
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The ability to add or copy columns depends on your database. you use. Your database system might not allow you to alter tables containing data. |
See Also | |
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Creating a Table |