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In the course relation, the title field should throw an error in case of any missing title. The command to be added in title is

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In the course relation, the title field should throw an error in case of any missing title. The command to be added in title is

(a) Unique

(b) Not null

(c) 0

(d) Null

I have been asked this question in semester exam.

This intriguing question comes from Querying database part-1 DDL in portion Database Systems Design and Implementation of Database Management

1 Answer

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Best answer
The correct answer is (b) Not null

Easy explanation - By specifying not null the value cannot be left blank.

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