What is lock granularity? explain the use of begin commit, Ask an Expert

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Q1) What is lock granularity? Explain the use of BEGIN, COMMIT, and ROLLBACK TRANSACTION statements. Explain the meaning of expression ACID transaction. Explain the relationships among USER, ROLE, PERMISSION, and OBJECT for a generic database security system. What is an SQL injection attack and how can it be prevented?

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DBMS, Programming

Category:- DBMS
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