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

(A) 1
(B) 10
(C) 0
(D) 2

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✅ Correct Answer: (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.

Published by Mr. Dubey ⭐ 111.54K Points at 17-Sep-2023 08:16 am in Information Retrival Techniques

Explanation by: Mr. Dubey

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

Explanation by: Mr. Dubey

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