mirror of
https://github.com/MariaDB/server.git
synced 2025-01-17 20:42:30 +01:00
410 lines
17 KiB
Text
410 lines
17 KiB
Text
drop table if exists t1,t2;
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create table t1 (a int not null primary key, b int not null,c int not null, key(b,c));
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insert into t1 values (1,2,2),(2,2,3),(3,2,4),(4,2,4);
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check table t1 fast;
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Table Op Msg_type Msg_text
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test.t1 check status Table is already up to date
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check table t1 fast;
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Table Op Msg_type Msg_text
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test.t1 check status Table is already up to date
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check table t1 changed;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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insert into t1 values (5,5,5);
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check table t1 changed;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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check table t1 medium;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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check table t1 extended;
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Table Op Msg_type Msg_text
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test.t1 check status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 a A 5 NULL NULL BTREE
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t1 1 b 1 b A 1 NULL NULL BTREE
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t1 1 b 2 c A 5 NULL NULL BTREE
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insert into t1 values (5,5,5);
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ERROR 23000: Duplicate entry '5' for key 1
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optimize table t1;
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Table Op Msg_type Msg_text
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test.t1 optimize status OK
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optimize table t1;
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Table Op Msg_type Msg_text
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test.t1 optimize status Table is already up to date
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drop table t1;
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show variables like "wait_timeout%";
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Variable_name Value
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wait_timeout 28800
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show variables like "WAIT_timeout%";
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Variable_name Value
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wait_timeout 28800
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show variables like "this_doesn't_exists%";
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Variable_name Value
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show table status from test like "this_doesn't_exists%";
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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show databases;
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Database
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mysql
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test
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show databases like "test%";
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Database (test%)
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test
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create table t1 (f1 int not null, f2 int not null, f3 int not null, f4 int not null, primary key(f1,f2,f3,f4));
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insert into t1 values (1,1,1,0),(1,1,2,0),(1,1,3,0),(1,2,1,0),(1,2,2,0),(1,2,3,0),(1,3,1,0),(1,3,2,0),(1,3,3,0),(1,1,1,1),(1,1,2,1),(1,1,3,1),(1,2,1,1),(1,2,2,1),(1,2,3,1),(1,3,1,1),(1,3,2,1),(1,3,3,1);
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analyze table t1;
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Table Op Msg_type Msg_text
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test.t1 analyze status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 f1 A 1 NULL NULL BTREE
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t1 0 PRIMARY 2 f2 A 3 NULL NULL BTREE
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t1 0 PRIMARY 3 f3 A 9 NULL NULL BTREE
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t1 0 PRIMARY 4 f4 A 18 NULL NULL BTREE
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repair table t1;
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Table Op Msg_type Msg_text
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test.t1 repair status OK
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show index from t1;
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Table Non_unique Key_name Seq_in_index Column_name Collation Cardinality Sub_part Packed Null Index_type Comment
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t1 0 PRIMARY 1 f1 A 1 NULL NULL BTREE
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t1 0 PRIMARY 2 f2 A 3 NULL NULL BTREE
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t1 0 PRIMARY 3 f3 A 9 NULL NULL BTREE
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t1 0 PRIMARY 4 f4 A 18 NULL NULL BTREE
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drop table t1;
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create temporary table t1 (a int not null);
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show create table t1;
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Table Create Table
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t1 CREATE TEMPORARY TABLE `t1` (
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`a` int(11) NOT NULL default '0'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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alter table t1 rename t2;
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show create table t2;
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Table Create Table
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t2 CREATE TEMPORARY TABLE `t2` (
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`a` int(11) NOT NULL default '0'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t2;
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create table t1 (
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test_set set( 'val1', 'val2', 'val3' ) not null default '',
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name char(20) default 'O''Brien' comment 'O''Brien as default',
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c int not null comment 'int column',
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`c-b` int comment 'name with a minus',
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`space 2` int comment 'name with a space'
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) comment = 'it\'s a table' ;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`test_set` set('val1','val2','val3') NOT NULL default '',
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`name` char(20) default 'O''Brien' COMMENT 'O''Brien as default',
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`c` int(11) NOT NULL default '0' COMMENT 'int column',
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`c-b` int(11) default NULL COMMENT 'name with a minus',
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`space 2` int(11) default NULL COMMENT 'name with a space'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='it''s a table'
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set sql_quote_show_create=0;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE t1 (
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test_set set('val1','val2','val3') NOT NULL default '',
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name char(20) default 'O''Brien' COMMENT 'O''Brien as default',
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c int(11) NOT NULL default '0' COMMENT 'int column',
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`c-b` int(11) default NULL COMMENT 'name with a minus',
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`space 2` int(11) default NULL COMMENT 'name with a space'
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 COMMENT='it''s a table'
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set sql_quote_show_create=1;
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show full columns from t1;
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Field Type Collation Null Key Default Extra Privileges Comment
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test_set set('val1','val2','val3') latin1_swedish_ci select,insert,update,references
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name char(20) latin1_swedish_ci YES O'Brien select,insert,update,references O'Brien as default
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c int(11) NULL 0 select,insert,update,references int column
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c-b int(11) NULL YES NULL select,insert,update,references name with a minus
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space 2 int(11) NULL YES NULL select,insert,update,references name with a space
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drop table t1;
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create table t1 (a int not null, unique aa (a));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL default '0',
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UNIQUE KEY `aa` (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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create table t1 (a int not null, primary key (a));
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL default '0',
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PRIMARY KEY (`a`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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flush tables;
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show open tables;
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Database Table In_use Name_locked
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create table t1(n int);
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insert into t1 values (1);
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show open tables;
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Database Table In_use Name_locked
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test t1 0 0
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drop table t1;
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create table t1 (a int not null, b VARCHAR(10), INDEX (b) ) AVG_ROW_LENGTH=10 CHECKSUM=1 COMMENT="test" ENGINE=MYISAM MIN_ROWS=10 MAX_ROWS=100 PACK_KEYS=1 DELAY_KEY_WRITE=1 ROW_FORMAT=fixed;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL default '0',
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`b` char(10) default NULL,
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KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS=10 MAX_ROWS=100 AVG_ROW_LENGTH=10 PACK_KEYS=1 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED COMMENT='test'
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alter table t1 MAX_ROWS=200 ROW_FORMAT=dynamic PACK_KEYS=0;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL default '0',
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`b` varchar(10) default NULL,
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KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS=10 MAX_ROWS=200 AVG_ROW_LENGTH=10 PACK_KEYS=0 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=DYNAMIC COMMENT='test'
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ALTER TABLE t1 AVG_ROW_LENGTH=0 CHECKSUM=0 COMMENT="" MIN_ROWS=0 MAX_ROWS=0 PACK_KEYS=DEFAULT DELAY_KEY_WRITE=0 ROW_FORMAT=default;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`a` int(11) NOT NULL default '0',
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`b` varchar(10) default NULL,
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KEY `b` (`b`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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drop table t1;
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create table t1 (a decimal(9,2), b decimal (9,0), e double(9,2), f double(5,0), h float(3,2), i float(3,0));
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show columns from t1;
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Field Type Null Key Default Extra
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a decimal(9,2) YES NULL
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b decimal(9,0) YES NULL
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e double(9,2) YES NULL
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f double(5,0) YES NULL
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h float(3,2) YES NULL
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i float(3,0) YES NULL
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show full columns from t1;
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Field Type Collation Null Key Default Extra Privileges Comment
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a decimal(9,2) NULL YES NULL select,insert,update,references
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b decimal(9,0) NULL YES NULL select,insert,update,references
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e double(9,2) NULL YES NULL select,insert,update,references
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f double(5,0) NULL YES NULL select,insert,update,references
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h float(3,2) NULL YES NULL select,insert,update,references
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i float(3,0) NULL YES NULL select,insert,update,references
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drop table t1;
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create table t1 (
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type_bool bool not null,
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type_tiny tinyint not null auto_increment primary key,
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type_short smallint(3),
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type_mediumint mediumint,
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type_bigint bigint,
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type_decimal decimal(5,2),
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type_numeric numeric(5,2),
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empty_char char(0),
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type_char char(2),
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type_varchar varchar(10),
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type_timestamp timestamp not null,
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type_date date not null,
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type_time time not null,
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type_datetime datetime not null,
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type_year year,
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type_enum enum ('red', 'green', 'blue'),
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type_set enum ('red', 'green', 'blue'),
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type_tinyblob tinyblob,
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type_blob blob,
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type_medium_blob mediumblob,
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type_long_blob longblob,
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index(type_short)
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) AVG_ROW_LENGTH=10 CHECKSUM=1 COMMENT="test" ENGINE=MYISAM MIN_ROWS=10 MAX_ROWS=100 PACK_KEYS=1 DELAY_KEY_WRITE=1 ROW_FORMAT=fixed CHARSET=latin1;
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show create table t1;
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Table Create Table
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t1 CREATE TABLE `t1` (
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`type_bool` tinyint(1) NOT NULL default '0',
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`type_tiny` tinyint(4) NOT NULL auto_increment,
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`type_short` smallint(3) default NULL,
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`type_mediumint` mediumint(9) default NULL,
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`type_bigint` bigint(20) default NULL,
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`type_decimal` decimal(5,2) default NULL,
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`type_numeric` decimal(5,2) default NULL,
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`empty_char` char(0) default NULL,
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`type_char` char(2) default NULL,
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`type_varchar` varchar(10) default NULL,
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`type_timestamp` timestamp NOT NULL default CURRENT_TIMESTAMP on update CURRENT_TIMESTAMP,
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`type_date` date NOT NULL default '0000-00-00',
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`type_time` time NOT NULL default '00:00:00',
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`type_datetime` datetime NOT NULL default '0000-00-00 00:00:00',
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`type_year` year(4) default NULL,
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`type_enum` enum('red','green','blue') default NULL,
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`type_set` enum('red','green','blue') default NULL,
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`type_tinyblob` tinyblob,
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`type_blob` blob,
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`type_medium_blob` mediumblob,
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`type_long_blob` longblob,
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PRIMARY KEY (`type_tiny`),
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KEY `type_short` (`type_short`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1 MIN_ROWS=10 MAX_ROWS=100 AVG_ROW_LENGTH=10 PACK_KEYS=1 CHECKSUM=1 DELAY_KEY_WRITE=1 ROW_FORMAT=FIXED COMMENT='test'
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insert into t1 (type_timestamp) values ("2003-02-07 10:00:01");
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select * from t1;
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type_bool type_tiny type_short type_mediumint type_bigint type_decimal type_numeric empty_char type_char type_varchar type_timestamp type_date type_time type_datetime type_year type_enum type_set type_tinyblob type_blob type_medium_blob type_long_blob
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0 1 NULL NULL NULL NULL NULL NULL NULL NULL 2003-02-07 10:00:01 0000-00-00 00:00:00 0000-00-00 00:00:00 NULL NULL NULL NULL NULL NULL NULL
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drop table t1;
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create table t1 (a int not null);
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create table t2 select max(a) from t1;
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show columns from t2;
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Field Type Null Key Default Extra
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max(a) bigint(20) YES NULL
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drop table t1,t2;
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create table t1 (c decimal, d double, f float, r real);
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show columns from t1;
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Field Type Null Key Default Extra
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c decimal(10,0) YES NULL
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d double YES NULL
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f float YES NULL
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r double YES NULL
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drop table t1;
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create table t1 (c decimal(3,3), d double(3,3), f float(3,3));
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show columns from t1;
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Field Type Null Key Default Extra
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c decimal(4,3) YES NULL
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d double(4,3) YES NULL
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f float(4,3) YES NULL
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drop table t1;
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SET @old_sql_mode= @@sql_mode, sql_mode= '';
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SET @old_sql_quote_show_create= @@sql_quote_show_create, sql_quote_show_create= OFF;
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CREATE TABLE `a/b` (i INT);
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ERROR 42000: Incorrect table name 'a/b'
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SET sql_mode= 'ANSI_QUOTES';
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SET sql_mode= '';
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SET sql_quote_show_create= OFF;
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CREATE TABLE t1 (i INT);
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SHOW CREATE TABLE t1;
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Table Create Table
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t1 CREATE TABLE t1 (
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i int(11) default NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t1;
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CREATE TABLE `table` (i INT);
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SHOW CREATE TABLE `table`;
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Table Create Table
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table CREATE TABLE `table` (
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i int(11) default NULL
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE `table`;
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SET sql_quote_show_create= @old_sql_quote_show_create;
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SET sql_mode= @old_sql_mode;
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select @@max_heap_table_size;
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@@max_heap_table_size
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1047552
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CREATE TABLE t1 (
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a int(11) default NULL,
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KEY a TYPE BTREE (a)
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) ENGINE=HEAP;
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CREATE TABLE t2 (
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b int(11) default NULL,
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index(b)
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) ENGINE=HEAP;
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CREATE TABLE t3 (
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a int(11) default NULL,
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b int(11) default NULL,
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KEY a TYPE BTREE (a),
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index(b)
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) ENGINE=HEAP;
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insert into t1 values (1),(2);
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insert into t2 values (1),(2);
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insert into t3 values (1,1),(2,2);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 2 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 2 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 2 9 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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insert into t1 values (3),(4);
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insert into t2 values (3),(4);
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insert into t3 values (3,3),(4,4);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 4 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 4 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 4 9 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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insert into t1 values (5);
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insert into t2 values (5);
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insert into t3 values (5,5);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 5 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 5 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 5 9 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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delete from t1 where a=3;
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delete from t2 where b=3;
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delete from t3 where a=3;
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 4 5 # # # 5 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 4 5 # # # 5 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 4 9 # # # 9 NULL NULL NULL NULL latin1_swedish_ci NULL
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delete from t1;
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delete from t2;
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delete from t3;
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 0 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 0 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 0 9 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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insert into t1 values (5);
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insert into t2 values (5);
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insert into t3 values (5,5);
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 1 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 1 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 1 9 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
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delete from t1 where a=5;
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delete from t2 where b=5;
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delete from t3 where a=5;
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show table status;
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Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
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t1 HEAP 9 Fixed 0 5 # # # 5 NULL NULL NULL NULL latin1_swedish_ci NULL
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t2 HEAP 9 Fixed 0 5 # # # 5 NULL NULL NULL NULL latin1_swedish_ci NULL
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t3 HEAP 9 Fixed 0 9 # # # 9 NULL NULL NULL NULL latin1_swedish_ci NULL
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drop table t1, t2, t3;
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create database test_$1;
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show create database test_$1;
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Database Create Database
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test_$1 CREATE DATABASE `test_$1` /*!40100 DEFAULT CHARACTER SET latin1 */
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create table test_$1.t1(a int);
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insert into test_$1.t1 values(1);
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grant select on `test_$1`.* to mysqltest_1@localhost;
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grant usage on `test_$1`.* to mysqltest_2@localhost;
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grant drop on `test_$1`.* to mysqltest_3@localhost;
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select * from t1;
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a
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1
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show create database test_$1;
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Database Create Database
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test_$1 CREATE DATABASE `test_$1` /*!40100 DEFAULT CHARACTER SET latin1 */
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||
drop table t1;
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ERROR 42000: Access denied for user 'mysqltest_1'@'localhost' to database 'test_$1'
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||
drop database test_$1;
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||
ERROR 42000: Access denied for user 'mysqltest_1'@'localhost' to database 'test_$1'
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||
select * from test_$1.t1;
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||
ERROR 42000: Access denied for user 'mysqltest_2'@'localhost' to database 'test_$1'
|
||
show create database test_$1;
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||
ERROR 42000: Access denied for user 'mysqltest_2'@'localhost' to database 'test_$1'
|
||
drop table test_$1.t1;
|
||
ERROR 42000: Access denied for user 'mysqltest_2'@'localhost' to database 'test_$1'
|
||
drop database test_$1;
|
||
ERROR 42000: Access denied for user 'mysqltest_2'@'localhost' to database 'test_$1'
|
||
select * from test_$1.t1;
|
||
ERROR 42000: Access denied for user 'mysqltest_3'@'localhost' to database 'test_$1'
|
||
show create database test_$1;
|
||
ERROR 42000: Access denied for user 'mysqltest_3'@'localhost' to database 'test_$1'
|
||
drop table test_$1.t1;
|
||
drop database test_$1;
|
||
set names binary;
|
||
delete from mysql.user
|
||
where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
|
||
delete from mysql.db
|
||
where user='mysqltest_1' || user='mysqltest_2' || user='mysqltest_3';
|
||
flush privileges;
|
||
set names latin1;
|
||
create database `<60>`;
|
||
create table `<60>`.`<60>` (a int) engine=heap;
|
||
show table status from `<60>` LIKE '<27>';
|
||
Name Engine Version Row_format Rows Avg_row_length Data_length Max_data_length Index_length Data_free Auto_increment Create_time Update_time Check_time Collation Checksum Create_options Comment
|
||
<EFBFBD> HEAP 9 Fixed 0 5 # # # 0 NULL NULL NULL NULL latin1_swedish_ci NULL
|
||
drop database `<60>`;
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