メッセージ156、レベル15、状態1、プロシージャCUSTOMER_IMPORT、行33 "FROM"キーワードの近くの構文が正しくありません

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

コンマ！多くのカンマに

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