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The ____ lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row.

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The ____ lock allows concurrent transactions to access the same row as long as they require the use of different fields within that row. (a) Table-level (b) Page-level (c) Row-level (d) Field-level I have been asked this question in semester exam. Enquiry is from Lock-Based Protocols topic in chapter Concurrency Control 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 answer is (d) Field-level Best explanation: Lock is limited to the attributes of the relation.

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