Which system variable controls the size of the table cache?(a) table_cache(b) cache_table(c) open_cache(d) cache_openThe question was posed to me in an interview for internship.I want to ask this question from Administrative-Level Optimizations topic in division Query Optimization of MySQL

Which system variable controls the size of the table cache?(a) table_c

1.	Which system variable controls the size of the table cache?(a) table_cache(b) cache_table(c) open_cache(d) cache_openThe question was posed to me in an interview for internship.I want to ask this question from Administrative-Level Optimizations topic in division Query Optimization of MySQL
Answer» Right OPTION is (a) table_cache The best I can explain: In MySQL, when the SERVER opens table files it keeps them open to MINIMIZE the NUMBER of file-opening operations. It maintains information about open files in the table cache.

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