mysql> create table test (name varchar(40), sex enum('male', concat('fem', 'ale') ); ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'concat('fem', 'ale') )' at line 1...
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '(255) NULL, account_type' enum('1','2','3') NOT NULL default '1', email_acti' at line 17 ...
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '1),enumc enum(5))' at line 1 root@localhost: 00:31 [7308][db_hlf]>create table tbl_setenum(id int(11) not null primary k...
Syntax PHPNodeJSJavaPython To create a column of Enum datatypes through a PHP program, we need to execute the "CREATE TABLE" statement using themysqlifunctionquery()as follows − $sql='CREATE TABLE STUDENTS (ID int NOT NULL AUTO_INCREMENT, NAME varchar(30) NOT NULL, BRANCH ENUM ("CSE"...
MySQL的常用数据类型包括:Number/Date/String,而String类型中又包含了 Char/Varchar/Binary/blob/text 等长度不同的简单数据类型,有时我们需要对数据做更细致的管理,比如枚举和集合,就需要复合类型ENUM和SET了。 ENUM 枚举类型 ENUM适合于只能在一组固定值中选一个的场景,比如性别只能为男或者女。
SeeSection 13.3.1, “String Data Type Syntax”forENUMtype syntax and length limits. TheENUMtype has these advantages: Compact data storage in situations where a column has a limited set of possible values. The strings you specify as input values are automatically encoded as numbers. SeeSection ...
MYSQL - Specialization | 18 Course Series | 3 Mock Tests In this session, we will learn about the ENUM data type with syntax along with the syntax: – Syntax: Let us see the syntax of how we create the column of ENUM datatype: – ...
SELECT FIND_IN_SET('111','222,333,444'); #查询结果:0 ## 加法 SELECT 1|4|16|2 /** ENUM和SET ENUM只取单值,但要注意,他的索引是从1开始,加了引号就是值,不加就是索引。 设定enum的格式: enum("选项1","选项2","选项3",...); ...
MySQL的常用数据类型包括:Number/Date/String,而String类型中又包含了Char/Varchar/Binary/blob/text等长度不同的简单数据类型,有时我们需要对数据做更细...
Script line: 3 You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') could anyone help?? thanks Edited 1 time(s). Last edit at 09/28/2012 03:41AM by Dody Marefandho. ...