Multiple choice technology mainframe

If a transaction successfully updates a record, it is imperative that it has an ________ on it

  1. Exclusive

  2. Shared

  3. Update

  4. None
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

An exclusive lock is required when updating a record to prevent other transactions from reading or modifying the same data concurrently. Shared locks allow multiple readers, and Update locks are not a standard lock type.

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