set global query_cache_size=1355776; create table t1 (a int not null); insert into t1 values (1),(2),(3); select * from t1; a 1 2 3 select statement_schema, statement_text, result_blocks_count, result_blocks_size from information_schema.query_cache_info; statement_schema statement_text result_blocks_count result_blocks_size test select * from t1 1 512 drop table t1; select statement_schema, statement_text, result_blocks_count, result_blocks_size from information_schema.query_cache_info; statement_schema statement_text result_blocks_count result_blocks_size set global query_cache_size = 0; select * from information_schema.query_cache_info; STATEMENT_SCHEMA STATEMENT_TEXT RESULT_BLOCKS_COUNT RESULT_BLOCKS_SIZE RESULT_BLOCKS_SIZE_USED set global query_cache_size= default; show query_cache_info; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'query_cache_info' at line 1 flush query_cache_info; ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'query_cache_info' at line 1