In a single table (with 10 columns) join query the number of values needed to examine per column is

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Mr. Dubey • 51.17K Points
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Q.) In a single table (with 10 columns) join query the number of values needed to examine per column is

(A) 1

(B) 10

(D) 2

Correct answer : Option (B) - 10

Explanation:

 for indexing in the context of performing joins, in a single table query, the number of values that are needed to be examined per column is the number of rows in the table.

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