--echo #Test for Exclusive lock -- connect (con1,localhost,root,,) -- connect (con2,localhost,root,,) --disable_warnings drop table if exists t1; --enable_warnings --connection con1 create table t1 (id integer, x integer) engine=INNODB; insert into t1 values(0, 0); SET autocommit=0; lock table t1 WRITE; --connection con2 use performance_schema; SELECT object_schema, object_name, lock_type, lock_mode, lock_status, lock_data FROM data_locks; --connection con1 unlock tables; drop table t1; --disconnect con1 --disconnect con2