Title: The ____ constraint prevents the user from adding a NULL value in the specified column. Post by: kinglazy on Jan 31, 2018 The ____ constraint prevents the user from adding a NULL value in the specified column.
a. IS NULL b. NOT NULL c. NULL d. NULL KEY Title: The ____ constraint prevents the user from adding a NULL value in the specified column. Post by: cedd123 on Jan 31, 2018 Content hidden
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