Mysql #1089在phpMyAdmin中创建表时出错
创建表时出现错误#1089-前缀键不正确 我的sql代码:Mysql #1089在phpMyAdmin中创建表时出错,mysql,Mysql,创建表时出现错误#1089-前缀键不正确 我的sql代码: CREATE TABLE `buildblockz`.`db_user_info` ( `BBZUID` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT 'User''s Id' , `username` VARCHAR(255) NOT NULL COMMENT 'User''s username' , `password` VARCHAR(255) NOT NULL COMMEN
CREATE TABLE `buildblockz`.`db_user_info` ( `BBZUID` INT(11) UNSIGNED NOT NULL AUTO_INCREMENT COMMENT 'User''s Id' , `username` VARCHAR(255) NOT NULL COMMENT 'User''s username' , `password` VARCHAR(255) NOT NULL COMMENT 'User''s password' , `fname` VARCHAR(255) NOT NULL COMMENT 'User''s First Name' , `mname` VARCHAR(255) NULL COMMENT 'User''s Middle Name' , `lname` VARCHAR(255) NOT NULL COMMENT 'User''s Last Name' , `line1` VARCHAR(255) NOT NULL COMMENT 'User''s Address Line 1' , `line2` VARCHAR(255) NULL COMMENT 'User''s Address Line 2' , `city` VARCHAR(255) NOT NULL COMMENT 'User''s Address City' , `state` VARCHAR(255) NOT NULL COMMENT 'User''s Address State' , `pincode` INT(11) UNSIGNED NOT NULL COMMENT 'User''s Address Pincode' , `email` VARCHAR(255) NOT NULL COMMENT 'User''s Contact Email' , `mobile` INT(11) UNSIGNED NULL COMMENT 'User''s Contact Mobile' , `phone` INT(11) UNSIGNED NULL COMMENT 'User''s Contact Phone' , `sex` ENUM('M','F','NS') NOT NULL COMMENT 'User''s Sex' , `dateOfBirth` DATE NOT NULL COMMENT 'User''s Date of Birth' , `designation` VARCHAR(255) NULL COMMENT 'User''s Designation' , `dateOfEntry` TIMESTAMP on update CURRENT_TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP COMMENT 'User''s Date of Entry' , PRIMARY KEY (`BBZUID`(9)) , UNIQUE (`username`(30)) ) ENGINE = InnoDB COMMENT = 'User''s Database';
您必须删除密钥的长度:
PRIMARY KEY (`BBZUID`) ,
而不是
PRIMARY KEY (`BBZUID`(9)) ,
SQL代码
而不是主键('id'(10))代码>
它将是主键('id')代码>
转到预览SQL
复制SQL语法
更改SQL语法的这一部分:
主键(BBZUID
(9))->主键(BBZUID
)
检查此答案的可能副本。Thanx,你能告诉我原因吗。因为列BBZUID
是int类型。带langht的键只由varchar和char类型的列提供。非常感谢Jens。。我被困了好一阵子