Bài tập 2 SQL server 2000

Bài tập SQL Server 2000 Bài tập SQL Server 2000 Bởi: Khoa CNTT ĐHSP KT Hưng Yên Manipulate Data and Stored Procedure Please follow those steps to practise: Use bcp to export all data from Orders table of PracticeDB to c:\Orders.txt (or to c:\Orders.csv) Change some data in the c:\Orders.txt and save Then import to Orders table from the text file using bcp Import Orders.txt to Orders table using BULK INSERT Create a Linked Server ‘LinkedPracticeDB’ which link to an Access database ‘PracticeDB.mdb’ (firstly you have to create an Access database similar to PracticeDB in SQL Server and input some data) Then a select data using four-part name and OPENQUERY Using ad hoc computer name with OPENROWSET and OPENDATASOURCE functions to select data from ‘PracticeDB.mdb’ Create the following Cursor DECLARE @au_lname varchar(40), @au_fname varchar(20) DECLARE Employee_Cursor CURSOR FOR SELECT LastName, FirstName FROM Northwind.dbo.Employees OPEN Employee_Cursor FETCH NEXT FROM Employee_Cursor INTO @au_lname, @au_fname WHILE @@FETCH_STATUS = BEGIN PRINT 'Author:' + @au_fname + ' ' + @au_lname FETCH NEXT FROM Employee_Cursor INTO @au_lname, @au_fname 1/4 Bài tập SQL Server 2000 END CLOSE Employee_Cursor DEALLOCATE Employee_Cursor Create the following stored procedure and try to execute with some values CREATE PROCEDURE AddNewOrder @OrderID smallint, @ProductName varchar(50), @CustomerName varchar(50), @Result smallint=1 Output AS DECLARE @CustomerID smallint BEGIN TRANSACTION If not Exists(SELECT [Name]=@CustomerName) CustomerID FROM Customers WHERE BEGIN SET @CustomerID= (SELECT Max(CustomerID) FROM Customers) SET @CustomerID=@CustomerID+1 INSERT INTO Customers VALUES(@CustomerID,@CustomerName) If Exists(SELECT OrderID FROM [Orders] WHERE OrderID=@OrderID) BEGIN SELECT @Result=1 ROLLBACK TRANSACTION END 2/4 Bài tập SQL Server 2000 Else BEGIN INSERT INTO [Orders](OrderID,ProductName,CustomerID) VALUES(@OrderID,@ProductName,@CustomerID) SELECT @Result=0 COMMIT TRANSACTION END END Else BEGIN If Exists(SELECT OrderID FROM [Orders] WHERE OrderID=@OrderID) BEGIN SELECT @Result=1 ROLLBACK TRANSACTION END Else BEGIN INSERT INTO [Orders](OrderID,ProductName,CustomerID) VALUES(@OrderID,@ProductName,@CustomerID) SELECT @Result=0 COMMIT TRANSACTION END END 3/4 Bài tập SQL Server 2000 Print @Result Return Using VB or VB.NET to execute the ‘AddNewOrder’ stored procedure 10 Using xp_cmdshell extended stored procedure to send a message (xp_cmdshell ‘net send Hello’) 4/4 ... FROM [Orders] WHERE OrderID=@OrderID) BEGIN SELECT @Result=1 ROLLBACK TRANSACTION END 2/ 4 Bài tập SQL Server 20 00 Else BEGIN INSERT INTO [Orders](OrderID,ProductName,CustomerID) VALUES(@OrderID,@ProductName,@CustomerID).. .Bài tập SQL Server 20 00 END CLOSE Employee_Cursor DEALLOCATE Employee_Cursor Create the following stored... VALUES(@OrderID,@ProductName,@CustomerID) SELECT @Result=0 COMMIT TRANSACTION END END 3/4 Bài tập SQL Server 20 00 Print @Result Return Using VB or VB.NET to execute the ‘AddNewOrder’ stored procedure