消息156，级别15，状态1，过程CUSTOMER_IMPORT，第33行关键字＆＃39; FROM＆＃39;

Question

CREATE PROCEDURE CUSTOMER
    @LastName nvarchar(50) = NULL, 
    @FirstName nvarchar(50) = NULL
AS
BEGIN
    SET NOCOUNT ON;

    SELECT @LastName, @FirstName, 
    FROM CUSTOMER
    WHERE FirstName = @FirstName AND LastName = @LastName
END
GO

Answer 1

是逗号！

试试这个：

CREATE PROCEDURE CUSTOMER
    @LastName nvarchar(50) = NULL, 
    @FirstName nvarchar(50) = NULL
AS
BEGIN
    SET NOCOUNT ON;

    SELECT @LastName, @FirstName
    FROM CUSTOMER
    WHERE FirstName = @FirstName AND LastName = @LastName
END
GO