Q. To reactivate indexes the command used is . . . . . . . .

  • (A) DISABLE KEYS
  • (B) Sorting {emp_name, emp_id}
  • (C) ENABLE KEYS
  • (D) ENABLE INDEXES
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✅ Correct Answer: (C) ENABLE KEYS
Explanation: This question is asking about how to reactivate indexes in MySQL. Indexes are like a table of contents for your data, helping MySQL find information quickly. Sometimes you might need to disable indexes to speed up data modifications, but then you'll need to reactivate them afterwards.

Published by Ritu Singhal ⭐ 4.43K Points at 22-Mar-2025 12:46 pm in MySQL

Explanation by: Ritu Singhal
This question is asking about how to reactivate indexes in MySQL. Indexes are like a table of contents for your data, helping MySQL find information quickly. Sometimes you might need to disable indexes to speed up data modifications, but then you'll need to reactivate them afterwards.

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