select 0x41,0x41+0,0x41 | 0x7fffffffffffffff | 0,0xffffffffffffffff | 0 ;
0x41	0x41+0	0x41 | 0x7fffffffffffffff | 0	0xffffffffffffffff | 0
A	65	9223372036854775807	18446744073709551615
select 0x31+1,concat(0x31)+1,-0xf;
0x31+1	concat(0x31)+1	-0xf
50	2	-15
select x'31',X'ffff'+0;
x'31'	X'ffff'+0
1	65535
drop table if exists t1;
create table t1 (ID int(8) unsigned zerofill not null auto_increment,UNIQ bigint(21) unsigned zerofill not null,primary key (ID),unique (UNIQ) );
insert into t1 set UNIQ=0x38afba1d73e6a18a;
insert into t1 set UNIQ=123;
explain select * from t1 where UNIQ=0x38afba1d73e6a18a;
id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
1	SIMPLE	t1	const	UNIQ	UNIQ	8	const	1	
drop table t1;
select x'hello';
You have an error in your SQL syntax.  Check the manual that corresponds to your MySQL server version for the right syntax to use near 'x'hello'' at line 1
select 0xfg;
Unknown column '0xfg' in 'field list'
create table t1 select 1 as x, 2 as xx;
select x,xx from t1;
x	xx
1	2
drop table t1;