错误消息 156：关键字“订单”附近的语法不正确 [重复]

Question

这个问题在这里已经有了答案：

关键字“订单”附近的语法不正确 - 订单是列名（2 个回答）

关键字“订单”附近的语法不正确 - 订单是表名（2 个回答）

去年关闭。

CREATE TABLE Store(
StoreID int NOT NULL UNIQUE,
      StoreName  varchar NOT NULL,
ManagerFirstName varchar NOT NULL,
ManagerLastName varchar NOT NULL,
Phone int NOT NULL,
      Email varchar NOT NULL
    CONSTRAINT StorePK PRIMARY KEY (StoreID),
CONSTRAINT StoreAK1 UNIQUE(Email)
);

CREATE TABLE Product(
ProductID int NOT NULL UNIQUE,
    ProductName varchar NOT NULL,
    ProductType varchar NOT NULL,
    ListPrice  money NOT NULL,
    Size    int NOT NULL
    CONSTRAINT ProductPK PRIMARY KEY (ProductID)
);
CREATE TABLE Customer(
CustomerID int NOT NULL UNIQUE,
      FirstName  varchar NOT NULL,
LastName varchar NOT NULL,
      Email varchar NOT NULL,
      Phone int NOT NULL,
      Address varchar NOT NULL

CONSTRAINT CUSTOMERPK PRIMARY KEY (CustomerID),
CONSTRAINT CUSTOMERAK1 UNIQUE(Email)
);


CREATE TABLE Suppliers(
SupplierID int NOT NULL UNIQUE,
      CompanyName varchar NOT NULL,
FirstName  varchar NOT NULL,
LastName varchar NOT NULL,
      Phone int NOT NULL,
      Email varchar NOT NULL,

CONSTRAINT SuppliersPK PRIMARY KEY (SupplierID),
CONSTRAINT CUSTOMERAK1 UNIQUE(Email)
);


CREATE TABLE Order (
OrderID int NOT NULL UNIQUE,
CustomerID int NOT NULL UNIQUE,
EmployeeID int NOT NULL UNIQUE,
OrderDate DATE NOT NULL,
TotalCost money NOT NULL
   CONSTRAINT OrderPK PRIMARY KEY (OrderID,CustomerID,EmployeeID),
         CONSTRAINT OrderFK FOREIGN KEY (CustomerID)
   REFERENCES Customer(CustomerID),
   CONSTRAINT OrderFK1 FOREIGN KEY (EmployeeID)
   REFERENCES Employee(EmployeeID)
);

CREATE TABLE OrderLine(
OrderID int NOT NULL UNIQUE,
ProductID int NOT NULL UNIQUE,
LineNumber int NOT NULL,
Quantity int NOT NULL,
UnitPrice money NOT NULL,
ExtenderPrice money NOT NULL
CONSTRAINT OrderLinePK PRIMARY KEY (OrderID,ProductID),
    CONSTRAINT OrderLineFK FOREIGN KEY (OrderID)
REFERENCES Order (OrderID),
CONSTRAINT OrderLineFK1 FOREIGN KEY (ProductID)
REFERENCES Product(ProductID)
);

CREATE TABLE Employee(
EmployeeID int NOT NULL UNIQUE,
FirstName  varchar NOT NULL,
LastName varchar NOT NULL,
StoreID int NOT NULL UNIQUE,
HireDate DATE NOT NULL,
Phone int NOT NULL,
CONSTRAINT EmployeePK PRIMARY KEY (EmployeeID),
CONSTRAINT EmployeeFK FOREIGN KEY (StoreID)
REFERENCES Store(StoreID)


);
CREATE TABLE Inventory(
InventoryID int NOT NULL UNIQUE,
    ProductID int NOT NULL UNIQUE,
    StoreID int NOT NULL UNIQUE,
    QuantityOnHand int NOT NULL
        CONSTRAINT InventoryPK PRIMARY KEY (InventoryID),
        CONSTRAINT InventoryFK FOREIGN KEY (ProductID)
        REFERENCES Product(ProductID),
        CONSTRAINT InventoryFK1 FOREIGN KEY(StoreID)
        REFERENCES Store(StoreID)
);
CREATE TABLE Quotes(
SupplierID int NOT NULL UNIQUE,
ProductID int NOT NULL UNIQUE,
    Quote money NOT NULL,
    QuoteDate DATE NOT NULL
        CONSTRAINT QuotesPK PRIMARY KEY (SupplierID,ProductID)
        CONSTRAINT QuotesFK FOREIGN KEY (SupplierID)
        REFERENCES Suppliers(SupplierID),
        CONSTRAINT QuotesFK1 FOREIGN KEY (ProductID)
        REFERENCES Product(ProductID)
);` 

消息 156，级别 15，状态 1，第 46 行
关键字“Order”附近的语法不正确。
Msg 156, Level 15, State 1, Line 67
关键字“Order”附近的语法不正确。

代码不会处理，不知道为什么。

Answer 1

Order是大多数 RDBMS 中的保留字。 如果要将其用作表名或列名，则需要用方括号将其括起来； 但更好的是，避免使用保留名称。 在这里，您可以改用Orders 。

另一个问题是您有两个约束名称CUSTOMERAK1 。 我认为第二次出现应该命名为SuppliersAK1 。

此外，表Employee必须在引用它的表Orders之前声明。

通过此更改， 您的代码运行良好。