Question

由于某种原因，我得到以下错误，并且我知道它与我刚刚添加的“UsesTruck”的外键有关但是我不知道它是什么我做错了..我只包括我认为的表对这个问题很重要。

CREATE TABLE Employee (
EmployeeID INT AUTO_INCREMENT,
Name VARCHAR(90) NOT NULL,
UsesTruck CHAR(20) NULL,
FOREIGN KEY (UsesTruck) REFERENCES Truck(LicensePlate),
PRIMARY KEY (EmployeeID));


CREATE TABLE Truck (
LicensePlate CHAR(20) NULL,
color VARCHAR(45) NULL,
capacity VARCHAR(45) NULL,
PRIMARY KEY (LicensePlate));
CREATE TABLE Shifts (
ShiftTime VARCHAR(15) NOT NULL,
PRIMARY KEY (ShiftTime));



CREATE TABLE Reservation (
ReservNum INT NOT NULL,
ReserveDate VARCHAR(45) NULL,
PickupTime VARCHAR(45) NOT NULL,
NumOfPassengers INT NULL,
sheduledTime VARCHAR(45) NULL,
ActualPickupTime VARCHAR(45),
ActualTime VARCHAR(45),
PricePaid VARCHAR(45),
DriverHourlyRate DECIMAL(7,2) NULL,
PassEmployeeHourlyRate DECIMAL (7,2) NULL,
DriverSalary VARCHAR(10),
PassEmployeeSalary VARCHAR(10),
Customer_CustomerID INT,
Truck_LicensePlate char(20) NULL,
Employee_EmployeeID_Driver INT,
Location_Address_Pickup VARCHAR(100),
Employee_EmployeeID_Passenger INT,
Location_Address_Drop VARCHAR(100),
PRIMARY KEY (ReservNum),
FOREIGN KEY (Customer_CustomerID) REFERENCES Customer (CustomerID),
FOREIGN KEY (Truck_LicensePlate) REFERENCES Truck (LicensePlate),
FOREIGN KEY (Employee_EmployeeID_Driver) REFERENCES Employee (EmployeeID),
FOREIGN KEY (Location_Address_Pickup) REFERENCES Location (Address),
FOREIGN KEY (Employee_EmployeeID_Passenger) REFERENCES Employee    (EmployeeID),
FOREIGN KEY (Location_Address_Drop) REFERENCES Location (Address));

Answer 1

首先尝试运行create Truck表。

错误：无法创建表'Goober.Employee'（错误号：150）

1 个答案: