select 0,256,00000000000000065536,2147483647,-2147483648,2147483648,+4294967296; 0 256 00000000000000065536 2147483647 -2147483648 2147483648 +4294967296 0 256 65536 2147483647 -2147483648 2147483648 4294967296 select 9223372036854775807,-009223372036854775808; 9223372036854775807 -009223372036854775808 9223372036854775807 -9223372036854775808 select +9999999999999999999,-9999999999999999999; +9999999999999999999 -9999999999999999999 10000000000000000000 -10000000000000000000 drop table if exists t1; create table t1 (a bigint unsigned not null, primary key(a)); insert into t1 values (18446744073709551615), (0xFFFFFFFFFFFFFFFE); select * from t1; a 18446744073709551614 18446744073709551615 select * from t1 where a=18446744073709551615; a 18446744073709551615 select * from t1 where a='18446744073709551615'; a 18446744073709551615 delete from t1 where a=18446744073709551615; select * from t1; a 18446744073709551614 drop table t1;