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我應該創建一個接受作業代碼作爲參數的過程,並列出具有該作業代碼的所有僱員的全名和僱用日期。如果作業代碼無效,則顯示消息。創建了以下存儲過程,但我不清楚IF語句將在哪裏提示用戶使用了錯誤的數字。其次,我應該硬編碼唯一可接受的參數嗎?所以@job_num = 500,@ job_num = 501 ...等等。在SQL存儲過程中創建錯誤消息
CREATE PROCEDURE getEmpInfo (@job_num = 500
@job_num = 501
@job_num = 502
@job_num = 503) //these would go to 510
//IF @job_code is not between 500 & 510
PRINT 'Incorrect Job Code. Please Enter another number.'
AS
BEGIN
SELECT EMPLOYEE.EMP_LNAME, EMPLOYEE.EMP_FNAME, EMPLOYEE.EMP_HIREDATE, JOB.JOB_CODE
FROM JOB JOIN ON EMPLOYEE.JOB_CODE = JOB.JOB_CODE
WHERE JOB_CODE = @job_code
END
對初學者問題表示歉意,但它是有趣的學習。
理想情況下,您應該將該邏輯放入您的應用程序中。 –