Database Administrator Mock Interview

Master 25 Database Administrator interview questions covering SQL optimization, backup strategies, and security protocols.

Question 14 of 25

Explain the difference between explicit and implicit lock?

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William Swansen

William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.

Another technical question asking you to compare two related but different terms. As a database administrator, you should know the differenced between terms like these. This knowledge helps you better organize the data into tables, create efficient queries, and manage database operations effectively.

William Swansen

"Locks are used to ensure that data is not duplicated or deleted during read and write operations. Implicit locks obtain access rights to the data as needed by the application. Explicit locking obtains exclusive access to the resources before initiating an operation to prevent other sessions from modifying the data required by the application."

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