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dbms nptel

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Q6:Which of the following statements are not true?

A. Superset of a superkey is also a superkey.

B. Superset of a candidate key is a superkey.

C. Subset of a candidate key can be a superkey.

D. Proper subset of a candidate key is also a candidate key
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mukul maurya asked Sep 1, 2018
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nptel dbms assignment SQL
Identify the valid data type which can be used in sql to define type of data ? a. varchar b. memo c. numeric d. string
Identify the valid data type which can be used in sql to define type of data ?a. varcharb. memoc. numericd. string
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