ENUMis a string value whose value is chosen from a list of permitted values that are defined at the time of column creation. It is used to define columns that store enumeration values. It basically stores the data in the index of 1, 2, 3 … to represent the values. Syntax of ENUM Cr...
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...
Date: June 01, 2012 06:35PM I'm getting this error when executing the create table statement shown below. 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 'group ENUM('supervisor'...
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...
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 ...
Provides a reference to error codes returned by MySQL.Namespace: MySql.Data.MySqlClientAssembly: MySql.Data.dllVersion: 9.3.0Syntaxpublic enum MySqlErrorCode Fields NameDescription AbortingConnection AccessDenied Normally returned when an incorrect password is given AddPartitionNoNewPartition Add...
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...
MySQL中的field()函数,可以用来对SQL中查询结果集进行指定顺序排序 函数使用格式如下: order by field(str,str1,str2,str3,str4……),str与str1,str2,str3,str4比较,其中str指的是字段名字, 意为:字段str按照字符串str1,str2,str3,str4的顺序返回查询到的结果集。如果表中str字段值不存在于str1,str2...
问具有数据值tinytext、longtext和enum的CREATE TABLE上的MySQL令人讨厌的语法错误EN一、字符串类型 类型...
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 ...