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2022-07-05 06:23:00 【LZYmarks】
mysql 数据类型对应的Java类型
--------------------------------------------报错----------------------------------------------------
数据库创表的时候多了一个 逗号
CREATE TABLE `login` (
字段,字段,字段,字段, <--------- 就是这个逗号
) ENGINE=InnoDB DEFAULT CHARSET=utf8
-------------------------------------------/ 报错----------------------------------------------------
--------------------------------------------建表----------------------------------------------------
不会创建自增和唯一索引
CREATE TABLE usertable(
user_id INT(30) PRIMARY KEY AUTO_INCREMENT,
user_name VARCHAR(200) UNIQUE NOT NULL,
NAME VARCHAR(200) NOT NULL,
document_type VARCHAR(200) NOT NULL,
document_num INT(18) NOT NULL,
phone_num INT(16) UNIQUE NOT NULL,
email VARCHAR(200) NOT NULL,
login_password VARCHAR(200) NOT NULL,
pay_password INT(6) NOT NULL,
user_state INT(1)
)
-------------------------------------------/ 建表----------------------------------------------------
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