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Which algorithm uses equality comparison on a key attribute with a primary index to retrieve a single record that satisfies the corresponding equality condition.

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Which algorithm uses equality comparison on a key attribute with a primary index to retrieve a single record that satisfies the corresponding equality condition. (a) A2 (b) A4 (c) A5 (d) A6 I got this question in an online quiz. Enquiry is from Selection Operation topic in division Query Processing Techniques of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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The correct choice is (a) A2 The explanation is: A2 – primary index, equality on key.

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