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  1. To determine whether query cache is supported by the server the variable is _________________.
    1. query_cache_have
    2. have_query_cache
    3. cache_query_have
    4. have_cache_query
    5. None of these
Correct Option: B

In MySQL, in order to determine whether a server supports the query cache or not, the value of the ‘have_query_cache’ system variable is checked. It returns ‘YES’ if support is available.


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