mysql - SQL错误: 1364 Field 'XXXX' doesn't have a default value1

Question

我有表 ROUTE

CREATE TABLE ROUTE (
RouteID INTEGER(4) AUTO_INCREMENT,
RouteName VARCHAR (50) NOT NULL,
BoardingStop VARCHAR (50) NOT NULL,
AlightingStop VARCHAR (50) NOT NULL,
PRIMARY KEY (RouteID )
);

还有第二个表 CUSTOMER

CREATE TABLE CUSTOMER (
CustomerID INTEGER(4) PRIMARY KEY,
CustomerName VARCHAR(50) NOT NULL,
CustomerAge VARCHAR(50) NOT NULL,
Address VARCHAR (50) NOT NULL,
RouteID INTEGER(4) NOT NULL,
FOREIGN KEY (RouteID) REFERENCES ROUTE(RouteID)
);

当我将数据插入 customerID 时

INSERT INTO `CUSTOMER` (`CustomerID`,`CustomerName`,`CustomerAge`,`Address`) VALUES (1,"Madeline Shepard",17,"Ap #303-5324 Nunc St.");

我收到以下错误

Error Code: 1364. Field 'RouteID' doesn't have a default value

帮助

如何修复它。

Answer 1

不确定 teachers_id_teacher 来自哪里，但错误文本对于您提供的插入语句来说似乎确实准确。

您的字段 RouteID 是“必填”(如 NOT NULL 所示)，但您在 INSERT 中省略了它。

因为您没有提供值并且它没有默认值，所以插入将会失败。为此字段设置默认值，或指定一个值:

INSERT INTO `CUSTOMER` (`CustomerID`,`CustomerName`,`CustomerAge`,`Address`, `RouteID`) VALUES (1,"Madeline Shepard",17,"Ap #303-5324 Nunc St.", 1234);