1.

To reactivate indexes the command used is _________________(a) DISABLE KEYS(b) DISABLE INDEXES(c) ENABLE KEYS(d) ENABLE INDEXES

Answer» Correct answer is (c) ENABLE KEYS

Easiest explanation: In MySQL, the clauses ‘DISABLE KEYS’ and ‘ENABLE KEYS’ are used to deactivate and reactivate indexes for the table. The server does the work in deactivations and reactivations.


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