drop table if exists t1,t1aa,t2aa;
show tables;
Tables_in_db
columns_priv
db
func
help_category
help_keyword
help_relation
help_topic
host
proc
procs_priv
tables_priv
time_zone
time_zone_leap_second
time_zone_name
time_zone_transition
time_zone_transition_type
user
show create table db;
Table	Create Table
db	CREATE TABLE `db` (
  `Host` char(60) collate utf8_bin NOT NULL default '',
  `Db` char(64) collate utf8_bin NOT NULL default '',
  `User` char(16) collate utf8_bin NOT NULL default '',
  `Select_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Insert_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Update_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Delete_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Drop_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Grant_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `References_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Index_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Alter_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_tmp_table_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Lock_tables_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_view_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Show_view_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_routine_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Alter_routine_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Execute_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  PRIMARY KEY  (`Host`,`Db`,`User`),
  KEY `User` (`User`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Database privileges'
show create table host;
Table	Create Table
host	CREATE TABLE `host` (
  `Host` char(60) collate utf8_bin NOT NULL default '',
  `Db` char(64) collate utf8_bin NOT NULL default '',
  `Select_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Insert_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Update_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Delete_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Drop_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Grant_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `References_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Index_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Alter_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_tmp_table_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Lock_tables_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_view_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Show_view_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_routine_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Alter_routine_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Execute_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  PRIMARY KEY  (`Host`,`Db`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Host privileges;  Merged with database privileges'
show create table user;
Table	Create Table
user	CREATE TABLE `user` (
  `Host` char(60) collate utf8_bin NOT NULL default '',
  `User` char(16) collate utf8_bin NOT NULL default '',
  `Password` char(41) character set latin1 collate latin1_bin NOT NULL default '',
  `Select_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Insert_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Update_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Delete_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Drop_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Reload_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Shutdown_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Process_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `File_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Grant_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `References_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Index_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Alter_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Show_db_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Super_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_tmp_table_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Lock_tables_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Execute_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Repl_slave_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Repl_client_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_view_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Show_view_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_routine_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Alter_routine_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `Create_user_priv` enum('N','Y') character set utf8 NOT NULL default 'N',
  `ssl_type` enum('','ANY','X509','SPECIFIED') character set utf8 NOT NULL default '',
  `ssl_cipher` blob NOT NULL,
  `x509_issuer` blob NOT NULL,
  `x509_subject` blob NOT NULL,
  `max_questions` int(11) unsigned NOT NULL default '0',
  `max_updates` int(11) unsigned NOT NULL default '0',
  `max_connections` int(11) unsigned NOT NULL default '0',
  `max_user_connections` int(11) unsigned NOT NULL default '0',
  PRIMARY KEY  (`Host`,`User`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Users and global privileges'
show create table func;
Table	Create Table
func	CREATE TABLE `func` (
  `name` char(64) collate utf8_bin NOT NULL default '',
  `ret` tinyint(1) NOT NULL default '0',
  `dl` char(128) collate utf8_bin NOT NULL default '',
  `type` enum('function','aggregate') character set utf8 NOT NULL,
  PRIMARY KEY  (`name`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='User defined functions'
show create table tables_priv;
Table	Create Table
tables_priv	CREATE TABLE `tables_priv` (
  `Host` char(60) collate utf8_bin NOT NULL default '',
  `Db` char(64) collate utf8_bin NOT NULL default '',
  `User` char(16) collate utf8_bin NOT NULL default '',
  `Table_name` char(64) collate utf8_bin NOT NULL default '',
  `Grantor` char(77) collate utf8_bin NOT NULL default '',
  `Timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
  `Table_priv` set('Select','Insert','Update','Delete','Create','Drop','Grant','References','Index','Alter','Create View','Show view') character set utf8 NOT NULL default '',
  `Column_priv` set('Select','Insert','Update','References') character set utf8 NOT NULL default '',
  PRIMARY KEY  (`Host`,`Db`,`User`,`Table_name`),
  KEY `Grantor` (`Grantor`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Table privileges'
show create table columns_priv;
Table	Create Table
columns_priv	CREATE TABLE `columns_priv` (
  `Host` char(60) collate utf8_bin NOT NULL default '',
  `Db` char(64) collate utf8_bin NOT NULL default '',
  `User` char(16) collate utf8_bin NOT NULL default '',
  `Table_name` char(64) collate utf8_bin NOT NULL default '',
  `Column_name` char(64) collate utf8_bin NOT NULL default '',
  `Timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
  `Column_priv` set('Select','Insert','Update','References') character set utf8 NOT NULL default '',
  PRIMARY KEY  (`Host`,`Db`,`User`,`Table_name`,`Column_name`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Column privileges'
show create table procs_priv;
Table	Create Table
procs_priv	CREATE TABLE `procs_priv` (
  `Host` char(60) collate utf8_bin NOT NULL default '',
  `Db` char(64) collate utf8_bin NOT NULL default '',
  `User` char(16) collate utf8_bin NOT NULL default '',
  `Routine_name` char(64) collate utf8_bin NOT NULL default '',
  `Routine_type` enum('FUNCTION','PROCEDURE') collate utf8_bin NOT NULL,
  `Grantor` char(77) collate utf8_bin NOT NULL default '',
  `Proc_priv` set('Execute','Alter Routine','Grant') character set utf8 NOT NULL default '',
  `Timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
  PRIMARY KEY  (`Host`,`Db`,`User`,`Routine_name`,`Routine_type`),
  KEY `Grantor` (`Grantor`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COLLATE=utf8_bin COMMENT='Procedure privileges'
show create table proc;
Table	Create Table
proc	CREATE TABLE `proc` (
  `db` char(64) character set utf8 collate utf8_bin NOT NULL default '',
  `name` char(64) NOT NULL default '',
  `type` enum('FUNCTION','PROCEDURE') NOT NULL,
  `specific_name` char(64) NOT NULL default '',
  `language` enum('SQL') NOT NULL default 'SQL',
  `sql_data_access` enum('CONTAINS_SQL','NO_SQL','READS_SQL_DATA','MODIFIES_SQL_DATA') NOT NULL default 'CONTAINS_SQL',
  `is_deterministic` enum('YES','NO') NOT NULL default 'NO',
  `security_type` enum('INVOKER','DEFINER') NOT NULL default 'DEFINER',
  `param_list` blob NOT NULL,
  `returns` char(64) NOT NULL default '',
  `body` longblob NOT NULL,
  `definer` char(77) character set utf8 collate utf8_bin NOT NULL default '',
  `created` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
  `modified` timestamp NOT NULL default '0000-00-00 00:00:00',
  `sql_mode` set('REAL_AS_FLOAT','PIPES_AS_CONCAT','ANSI_QUOTES','IGNORE_SPACE','NOT_USED','ONLY_FULL_GROUP_BY','NO_UNSIGNED_SUBTRACTION','NO_DIR_IN_CREATE','POSTGRESQL','ORACLE','MSSQL','DB2','MAXDB','NO_KEY_OPTIONS','NO_TABLE_OPTIONS','NO_FIELD_OPTIONS','MYSQL323','MYSQL40','ANSI','NO_AUTO_VALUE_ON_ZERO','NO_BACKSLASH_ESCAPES','STRICT_TRANS_TABLES','STRICT_ALL_TABLES','NO_ZERO_IN_DATE','NO_ZERO_DATE','INVALID_DATES','ERROR_FOR_DIVISION_BY_ZERO','TRADITIONAL','NO_AUTO_CREATE_USER','HIGH_NOT_PRECEDENCE') NOT NULL default '',
  `comment` char(64) character set utf8 collate utf8_bin NOT NULL default '',
  PRIMARY KEY  (`db`,`name`,`type`)
) ENGINE=MyISAM DEFAULT CHARSET=utf8 COMMENT='Stored Procedures'
show tables;
Tables_in_test