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Increasing the value of which system variable enables mysqld to keep more tables open simultaneously?

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Increasing the value of which system variable enables mysqld to keep more tables open simultaneously?

(a) table_cache

(b) max_connect

(c) delayed_queue_size

(d) max_allowed_packet

The question was asked in a job interview.

Question is from Tuning the Server topic in division General MySQL Administration of MySQL

1 Answer

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Best answer
Correct answer is (a) table_cache

To explain: The ‘table_cache’ stores the size of the table cache. Increasing the value enables ‘mysqld’ to keep more tables open simultaneously by reducing the number of files open and close operations.

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