49 lines
1.1 KiB
Plaintext
49 lines
1.1 KiB
Plaintext
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drop table if exists t1;
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set sql_mode="MySQL40";
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select @@sql_mode;
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@@sql_mode
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MYSQL40,HIGH_NOT_PRECEDENCE
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set @@sql_mode="ANSI";
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select @@sql_mode;
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@@sql_mode
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REAL_AS_FLOAT,PIPES_AS_CONCAT,ANSI_QUOTES,IGNORE_SPACE,ANSI
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SELECT 'A' || 'B';
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'A' || 'B'
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AB
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CREATE TABLE t1 (id INT, id2 int);
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SELECT id,NULL,1,1.1,'a' FROM t1 GROUP BY id;
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id NULL 1 1.1 a
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SELECT id FROM t1 GROUP BY id2;
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id
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drop table t1;
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SET @@SQL_MODE="";
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CREATE TABLE t1 (i int auto_increment NOT NULL, PRIMARY KEY (i));
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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) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`i`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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SET @@SQL_MODE="MYSQL323";
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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) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`i`)
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) TYPE=MyISAM
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SET @@SQL_MODE="MYSQL40";
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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) NOT NULL AUTO_INCREMENT,
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PRIMARY KEY (`i`)
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) TYPE=MyISAM
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SET @@SQL_MODE="NO_FIELD_OPTIONS";
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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) NOT NULL,
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PRIMARY KEY (`i`)
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) ENGINE=MyISAM DEFAULT CHARSET=latin1
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DROP TABLE t1;
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