“表中不存在PropertyID

如何解决“表中不存在PropertyID

努力查看将外键添加到Agents表的问题所在。我收到错误“表中不存在PropertyID”。这是相关的代码：

CREATE TABLE Properties (
PropertyID INT(8),Address VARCHAR(50) NOT NULL,Level tinyint(1) NOT NULL,PropertyValue INT(10) NOT NULL,CONSTRAINT PRIMARY KEY (PropertyID)
);

CREATE TABLE Agents (
AgentID INT(8) AUTO_INCREMENT,FirstName VARCHAR(50) NOT NULL,LastName VARCHAR(50) NOT NULL,PropertiesManaged VARCHAR (50) NOT NULL,PhoneNumber VARCHAR (12),CONSTRAINT PRIMARY KEY (AgentID),CONSTRAINT PropertiesManaged FOREIGN KEY (PropertyID) REFERENCES Properties (PropertyID)
);

解决方法

您必须定义列：

CREATE TABLE Agents (
    AgentID INT(8) AUTO_INCREMENT,FirstName VARCHAR(50) NOT NULL,LastName VARCHAR(50) NOT NULL,PropertiesManaged VARCHAR (50) NOT NULL,PhoneNumber VARCHAR (12),PropertyId INT(8),----^
    CONSTRAINT PRIMARY KEY (AgentID),CONSTRAINT PropertiesManaged FOREIGN KEY (PropertyID) REFERENCES Properties (PropertyID)    
);