Question:
Consider the following statements:
(A) Each attribute in a relation has a unique name
(B) All data values in an attribute must be from the same domain
(C) A special value NULL is used to represent values that are unknown
(D) A database constraint allow different types of data to inserted into the table
Choose the correct answer from the options given below:
Consider the following statements:
(A) Each attribute in a relation has a unique name
(B) All data values in an attribute must be from the same domain
(C) A special value NULL is used to represent values that are unknown
(D) A database constraint allow different types of data to inserted into the table
Choose the correct answer from the options given below:
(A) Each attribute in a relation has a unique name
(B) All data values in an attribute must be from the same domain
(C) A special value NULL is used to represent values that are unknown
(D) A database constraint allow different types of data to inserted into the table
Choose the correct answer from the options given below:
Updated On: Apr 19, 2024
- (A), (B) and (C) only
- (A), (B) only
- (A), (C), (D) only
- (A), (B), (C) and (D) only
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The Correct Option is A
Solution and Explanation
The correct option is(A): (A), (B) and (C) only
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