DROP TABLE IF EXISTS t1;
SHOW COLLATION LIKE 'cp1250_czech_cs';
Collation	Charset	Id	Default	Compiled	Sortlen
cp1250_czech_cs	cp1250	34		Yes	2
CREATE TABLE t1 (a char(16)) character set cp1250 collate cp1250_czech_cs;
INSERT INTO t1 VALUES ('');
SELECT a, length(a), a='', a=' ', a='  ' FROM t1;
a	length(a)	a=''	a=' '	a='  '
	0	1	1	1
DROP TABLE t1;
CREATE TABLE t1 (
popisek varchar(30) collate cp1250_general_ci NOT NULL default '',
PRIMARY KEY  (`popisek`)
);
INSERT INTO t1 VALUES ('2005-01-1');
SELECT * FROM t1 WHERE popisek = '2005-01-1';
popisek
2005-01-1
SELECT * FROM t1 WHERE popisek LIKE '2005-01-1';
popisek
2005-01-1
drop table t1;
set names cp1250;
CREATE TABLE t1
(
id  INT AUTO_INCREMENT PRIMARY KEY,
str VARCHAR(32)  CHARACTER SET cp1250 COLLATE cp1250_czech_cs NOT NULL default '',
UNIQUE KEY (str)
);
INSERT INTO t1 VALUES (NULL, 'a');
INSERT INTO t1 VALUES (NULL, 'aa');
INSERT INTO t1 VALUES (NULL, 'aaa');
INSERT INTO t1 VALUES (NULL, 'aaaa');
INSERT INTO t1 VALUES (NULL, 'aaaaa');
INSERT INTO t1 VALUES (NULL, 'aaaaaa');
INSERT INTO t1 VALUES (NULL, 'aaaaaaa');
select * from t1 where str like 'aa%';
id	str
2	aa
3	aaa
4	aaaa
5	aaaaa
6	aaaaaa
7	aaaaaaa
drop table t1;
set names cp1250;
create table t1 (a varchar(15) collate cp1250_czech_cs NOT NULL, primary key(a));
insert into t1 values("abcdefghá");
insert into t1 values("ááèè");
select a from t1 where a like "abcdefghá";
a
abcdefghá
drop table t1;
