Sql server 设置外键-transact-SQL

我在SQL Server 2014中分配外键时遇到以下tSQL问题。有人能帮我理解什么是不正确的吗？谢谢-JT

    create table dbo.tbl_Util_Cost
    (
    chr_Grade   nchar(10)    not null Primary Key,
    pct_Target  decimal(18, 2)  not null,
    mon_Cost_Per_Hour   money   not null,
    dec_Daily_Hours decimal(18, 1)  not null
    );

    create table dbo.tbl_Team_Details
   (
     num_Personal_Number    numeric(18, 0)  not null,
     chr_Name   nchar(30)    not null,
     chr_Employee_Grade nchar(10)    not null ,
     dt_Start_Date date not null,
     dt_End_Date date   not null,
     foreign key fk_Team_Details1  ( chr_Employee_Grade) references dbo.tbl_Util_Cost (chr_Grade)   
    );

外键上出现以下错误-

Msg 102，15级，状态1，第11行附近语法不正确 “fk_团队详细信息1”

请指教

您的语法错误。 以下是正确语法的示例：

约束fk_团队详细信息1外键（chr_员工等级） 参考dbo.tbl_Util_成本（chr_等级）

有关详细信息：

更换

foreign key fk_Team_Details1  
( chr_Employee_Grade) references dbo.tbl_Util_Cost (chr_Grade)

与

 constraint fk_Team_Details1  
 foreign key (chr_Employee_Grade) references dbo.tbl_Util_Cost (chr_Grade)

完整脚本：

create table dbo.tbl_Util_Cost
(
chr_Grade   nchar(10)    not null Primary Key,
pct_Target  decimal(18, 2)  not null,
mon_Cost_Per_Hour   money   not null,
dec_Daily_Hours decimal(18, 1)  not null
);

create table dbo.tbl_Team_Details
(
 num_Personal_Number    numeric(18, 0)  not null,
 chr_Name   nchar(30)    not null,
 chr_Employee_Grade nchar(10)    not null ,
 dt_Start_Date date not null,
 dt_End_Date date   not null,
 constraint fk_Team_Details1  foreign key ( chr_Employee_Grade) references dbo.tbl_Util_Cost (chr_Grade)   
);

create table dbo.tbl_Util_Cost
(
chr_Grade   nchar(10)    not null Primary Key,
pct_Target  decimal(18, 2)  not null,
mon_Cost_Per_Hour   money   not null,
dec_Daily_Hours decimal(18, 1)  not null
);

create table dbo.tbl_Team_Details
(
 num_Personal_Number    numeric(18, 0)  not null,
 chr_Name   nchar(30)    not null,
 chr_Employee_Grade nchar(10)    not null ,
 dt_Start_Date date not null,
 dt_End_Date date   not null,
 constraint fk_Team_Details1  foreign key ( chr_Employee_Grade) references dbo.tbl_Util_Cost (chr_Grade)   
);

---

在添加外键时修改第二个表的创建

  constraint fk_Team_Details1  foreign key  
 ( chr_Employee_Grade) references dbo.tbl_Util_Cost (chr_Grade)   

给你