DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (
auto int(5) unsigned NOT NULL auto_increment,
string char(10) default "hello",
vstring varchar(10) default "hello",
bin binary(7),
vbin varbinary(7),
tiny tinyint(4) DEFAULT '0' NOT NULL ,
short smallint(6) DEFAULT '1' NOT NULL ,
medium mediumint(8) DEFAULT '0' NOT NULL,
long_int int(11) DEFAULT '0' NOT NULL,
longlong bigint(13) DEFAULT '0' NOT NULL,
real_float float(13,1) DEFAULT 0.0 NOT NULL,
real_double double(16,4),
utiny tinyint(3) unsigned DEFAULT '0' NOT NULL,
ushort smallint(5) unsigned zerofill DEFAULT '00000' NOT NULL,
umedium mediumint(8) unsigned DEFAULT '0' NOT NULL,
ulong int(11) unsigned DEFAULT '0' NOT NULL,
ulonglong bigint(13) unsigned DEFAULT '0' NOT NULL,
options enum('one','two','tree') not null,
flags set('one','two','tree') not null,
date_field date,	
year_field year,
time_field time,	
date_time datetime,
time_stamp timestamp not null default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
PRIMARY KEY (auto),
KEY (utiny),
KEY (tiny),
KEY (short),
KEY any_name (medium),
KEY (longlong),
KEY (real_float),
KEY (ushort),
KEY (umedium),
KEY (ulong),
KEY (ulonglong,ulong),
KEY (options,flags)
);
set @now = now();
insert into t1 
(string,vstring,bin,vbin,tiny,short,medium,long_int,longlong,
real_float,real_double, utiny, ushort, umedium,ulong,ulonglong,
options,flags,date_field,year_field,time_field,date_time)
values
("aaaa","aaaa",0xAAAA,0xAAAA,-1,-1,-1,-1,-1,1.1,1.1,1,1,1,1,1, 
'one','one', '1901-01-01','1901','01:01:01','1901-01-01 01:01:01');
select auto,string,vstring,bin,vbin,tiny,short,medium,long_int,longlong,
real_float,real_double, utiny, ushort, umedium,ulong,ulonglong,
options,flags,date_field,year_field,time_field,date_time
from t1;
auto	string	vstring	bin	vbin	tiny	short	medium	long_int	longlong	real_float	real_double	utiny	ushort	umedium	ulong	ulonglong	options	flags	date_field	year_field	time_field	date_time
1	aaaa	aaaa	ªª	ªª	-1	-1	-1	-1	-1	1.1	1.1000	1	00001	1	1	1	one	one	1901-01-01	1901	01:01:01	1901-01-01 01:01:01
select time_stamp>@now from t1;
time_stamp>@now
1
set @now = now();
update t1 set string="bbbb",vstring="bbbb",bin=0xBBBB,vbin=0xBBBB,
tiny=-2,short=-2,medium=-2,long_int=-2,longlong=-2,real_float=2.2,
real_double=2.2,utiny=2,ushort=2,umedium=2,ulong=2,ulonglong=2, 
options='one',flags='one', date_field='1902-02-02',year_field='1902',
time_field='02:02:02',date_time='1902-02-02 02:02:02' where auto=1;
select auto,string,vstring,bin,vbin,tiny,short,medium,long_int,longlong,
real_float,real_double, utiny, ushort, umedium,ulong,ulonglong,
options,flags,date_field,year_field,time_field,date_time
from t1;
auto	string	vstring	bin	vbin	tiny	short	medium	long_int	longlong	real_float	real_double	utiny	ushort	umedium	ulong	ulonglong	options	flags	date_field	year_field	time_field	date_time
1	bbbb	bbbb	»»	»»	-2	-2	-2	-2	-2	2.2	2.2000	2	00002	2	2	2	one	one	1902-02-02	1902	02:02:02	1902-02-02 02:02:02
select time_stamp>@now from t1;
time_stamp>@now
1
drop table t1;
