create table t1 (a integer, b integer,c1 CHAR(10)); insert into t1 (a) values (1),(2); truncate table t1; select count(*) from t1; count(*) 0 insert into t1 values(1,2,"test"); select count(*) from t1; count(*) 1 delete from t1; select * from t1; a b c1 drop table t1; select count(*) from t1; Table 'test.t1' doesn't exist create temporary table t1 (n int); insert into t1 values (1),(2),(3); truncate table t1; select * from t1; n drop table t1;