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CREATE PROC updatemodelid_se ProductonID INT, ProductModelID INTASBEGINDECLARE KT INTSELECT KT=ProductID FROM Production.ProductIF(KT IS NOT NULL)BEGINUPDATE Production.Product SET ProductModelID=ProductModelID WHERE ProductID=ProductonIDENDELSEBEGINPRINT LOI, KHONG THUC HIEN DUOCENDENDTHUC THIEXEC dbo.updatemodelid_se 1,3KIEM TRASELECT ProductID, ProductModelID FROM Production.ProductWHERE ProductID=1
CAU 2a /*Viết trigger kiểm tra việc cập nhật ProductModelID cho bảng Production.Product ProductModelID không tồn bảng Production.ProductModelID thông báo “mã không tồn tại” thực rollback Trường hợp mã tồn đếm có ProductModelID loại bảng Production.Product cập nhật vào cột total_moid vừa thêm.*/ CREATE TRIGGER LOG_FILE ON Production.Culture FOR UPDATE, INSERT, DELETE AS BEGIN DECLARE @ID1 VARCHAR(6), @ID2 VARCHAR(6) SELECT @ID1=CultureID FROM inserted SELECT @ID2=CultureID FROM deleted IF(@ID1 IS NOT NULL AND @ID2 IS NOT NULL) BEGIN INSERT INTO dbo.TRIG_LOG VALUES(@ID2,'UPDATE',GETDATE()) END ELSE IF(@ID1 IS NOT NULL) BEGIN INSERT INTO dbo.TRIG_LOG VALUES(@ID1,'INSERT',GETDATE()) END ELSE IF(@ID2 IS NOT NULL) BEGIN INSERT INTO dbo.TRIG_LOG VALUES(@ID2,'DELETE',GETDATE()) END END KIEM TRA SELECT * FROM dbo.TRIG_LOG ********************************************************* Viết thủ tục thực cập nhật ProductModelID cho bảng Production.Product đặt tên updatemodelid_se Thông số đầu vào ProductonID ProductModelID CREATE PROC updatemodelid_se @ProductonID INT, @ProductModelID INT AS BEGIN DECLARE @KT INT SELECT @KT=ProductID FROM Production.Product IF(@KT IS NOT NULL) BEGIN UPDATE Production.Product SET ProductModelID=@ProductModelID WHERE ProductID=@ProductonID END ELSE BEGIN PRINT 'LOI, KHONG THUC HIEN DUOC' END END THUC THI EXEC dbo.updatemodelid_se 1,3 KIEM TRA SELECT ProductID, ProductModelID FROM Production.Product WHERE ProductID='1' ************************************************************* CAU CREATE PROC CAP_NHAT @CultureID NCHAR(6), @NAME NVARCHAR(50) AS BEGIN DECLARE @KT INT SELECT @KT=COUNT(*) FROM Production.Culture WHERE @CultureID=CultureID IF(@KT > 0) BEGIN UPDATE Production.Culture SET Name=@NAME WHERE CultureID=@CultureID END ELSE BEGIN INSERT INTO Production.Culture(CultureID,Name) VALUES(@CultureID,@NAME) END END THUC THI EXEC dbo.CAP_NHAT ABC, XKJABSD KIEM TRA SELECT * FROM Production.Culture XOA CREATE PROC XOA @CultureID NCHAR(6) AS BEGIN DECLARE @KT INT SELECT @KT=COUNT(*) FROM Production.Culture WHERE @CultureID=CultureID IF(@KT > 0) BEGIN DELETE Production.Culture WHERE CultureID=@CultureID END ELSE BEGIN PRINT 'KHONG TON TAI CAI NAY' END END THUC THI EXEC dbo.XOA ABC KIEM TRA SELECT * FROM Production.Culture