#1089 在 phpMyAdmin 中创建表时出错

Question

创建表时出现错误 #1089- 不正确的前缀键。

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 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';

Answer 1

您必须删除密钥的长度：

PRIMARY KEY (`BBZUID`) , 

而不是

PRIMARY KEY (`BBZUID`(9)) , 

Answer 2

SQL 代码

而不是primary key('id'(10));

应该是primary key('id');

Answer 3

1. 去预览 SQL
2. 复制 SQL 语法

3. 更改这部分 SQL 语法：

   主键 (BBZUID(9)) -> 主键 (BBZUID)