set GLOBAL query_cache_size=1355776; reset query cache; flush status; drop table if exists t1,t2; CREATE TABLE t1 (a int) ENGINE=ndbcluster; CREATE TABLE t2 (a int); select * from t1; a show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 0 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 0 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t2; a show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 1 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 1 show status like "Qcache_hits"; Variable_name Value Qcache_hits 0 select * from t1; a select * from t2; a show status like "Qcache_queries_in_cache"; Variable_name Value Qcache_queries_in_cache 1 show status like "Qcache_inserts"; Variable_name Value Qcache_inserts 1 show status like "Qcache_hits"; Variable_name Value Qcache_hits 1 drop table t1, t2; SET GLOBAL query_cache_size=0;