SET @@character_set_server=latin5;
CREATE DATABASE mysqltest1 DEFAULT CHARACTER SET cp1251;
USE mysqltest1;
CREATE DATABASE mysqltest2;
SHOW CREATE DATABASE mysqltest1;
Database	Create Database
mysqltest1	CREATE DATABASE `mysqltest1` /*!40100 DEFAULT CHARACTER SET cp1251 */
SHOW CREATE DATABASE mysqltest2;
Database	Create Database
mysqltest2	CREATE DATABASE `mysqltest2` /*!40100 DEFAULT CHARACTER SET latin5 */
CREATE TABLE mysqltest2.t1 (a char(10));
SHOW CREATE TABLE mysqltest2.t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin5
DROP TABLE mysqltest2.t1;
ALTER DATABASE mysqltest2 DEFAULT CHARACTER SET latin7;
CREATE TABLE mysqltest2.t1 (a char(10));
SHOW CREATE TABLE mysqltest2.t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin7
DROP DATABASE mysqltest2;
CREATE DATABASE mysqltest2 CHARACTER SET latin2;
CREATE TABLE mysqltest2.t1 (a char(10));
SHOW CREATE TABLE mysqltest2.t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin2
DROP DATABASE mysqltest2;
USE mysqltest1;
CREATE TABLE t1 (a char(10));
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=cp1251
DROP TABLE t1;
CREATE TABLE t1 (a char(10)) DEFAULT CHARACTER SET latin1;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1
DROP TABLE t1;
CREATE TABLE t1 (a char(10)) 
DEFAULT CHARACTER SET latin1 COLLATE latin1_german1_ci;
SHOW CREATE TABLE t1;
Table	Create Table
t1	CREATE TABLE `t1` (
  `a` char(10) COLLATE latin1_german1_ci DEFAULT NULL
) ENGINE=MyISAM DEFAULT CHARSET=latin1 COLLATE=latin1_german1_ci
DROP TABLE t1;
create table t1 (a char) character set latin1 character set latin2;
ERROR HY000: Conflicting declarations: 'CHARACTER SET latin1' and 'CHARACTER SET latin2'
create table t1 (a char) character set latin1 collate latin2_bin;
ERROR 42000: COLLATION 'latin2_bin' is not valid for CHARACTER SET 'latin1'
create database d1 default character set latin1 character set latin2;
ERROR HY000: Conflicting declarations: 'CHARACTER SET latin1' and 'CHARACTER SET latin2'
create database d1 default character set latin1 collate latin2_bin;
ERROR 42000: COLLATION 'latin2_bin' is not valid for CHARACTER SET 'latin1'
DROP DATABASE mysqltest1;
CREATE DATABASE mysqltest2 DEFAULT CHARACTER SET latin7;
use mysqltest2;
ALTER DATABASE DEFAULT CHARACTER SET latin2;
show create database mysqltest2;
Database	Create Database
mysqltest2	CREATE DATABASE `mysqltest2` /*!40100 DEFAULT CHARACTER SET latin2 */
drop database mysqltest2;
ALTER DATABASE DEFAULT CHARACTER SET latin2;
ERROR 3D000: No database selected
ALTER DATABASE aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa DEFAULT CHARACTER SET latin2;
ERROR 42000: Incorrect database name 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'
ALTER DATABASE `` DEFAULT CHARACTER SET latin2;
ERROR 42000: Incorrect database name ''