Caused by: java.sql.SQLException: Field 'id' doesn't have a default value
2018-05-19 22:42
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hibernate 插入数据错误:Caused by: java.sql.SQLException: Field 'id' doesn't have a default value
无法插入数据;
错误原因: id在数据库表中是作为主键,但是在插入的过程中,没有给予数值,并且没有让其自增
解决办法: 修改数据库表中的id,让其自增(在插入的过程中,不插入id数据时
例如这样创建表:
CREATE TABLE books(id INT PRIMARY KEY auto_increment,Bookname VARCHAR(50),Bookprice VARCHAR(40));
无法插入数据;
错误原因: id在数据库表中是作为主键,但是在插入的过程中,没有给予数值,并且没有让其自增
解决办法: 修改数据库表中的id,让其自增(在插入的过程中,不插入id数据时
例如这样创建表:
CREATE TABLE books(id INT PRIMARY KEY auto_increment,Bookname VARCHAR(50),Bookprice VARCHAR(40));
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