Start The updating

The updating

Otherwise,you might specify the additional search criteria in a way that produces incorrect results.

Source(Employee ID, Employee Name) Values(104, 'Steve'); GO The following table lists the possible join types and indicates when each type is implemented by the query optimizer.

USE tempdb; GO BEGIN TRAN; MERGE Target AS T USING Source AS S ON (T. For rows of customers buying products they have already bought before, you simply want to update the date of purchase in the Fact Buying Habits table. Order Date = @Order Date GROUP BY Product ID) AS source (Product ID, Order Qty) ON (target. The company decides to re-organize its departments. Manager) WHEN NOT MATCHED BY SOURCE THEN DELETE OUTPUT $action, inserted.

These insert and update operations can be performed in a single statement using MERGE. Purchase Date) OUTPUT $action, Inserted.*, Deleted.*; table is updated by subtracting the number of orders placed each day for each product. To implement the re-organization results in the target table dbo. Departments (Dept ID tinyint NOT NULL PRIMARY KEY, Dept Name nvarchar(30), Manager nvarchar(50)); GO INSERT INTO dbo. Dept Name WHEN NOT MATCHED THEN INSERT (Dept ID, Dept Name, Manager) VALUES (dd.

Target(Employee ID, Employee Name) VALUES(101, 'Sara'); INSERT dbo.

Target(Employee ID, Employee Name) VALUES(102, 'Stefano'); GO INSERT dbo.

Source(Employee ID int, Employee Name varchar(10), CONSTRAINT Source_PK PRIMARY KEY(Employee ID)); GO INSERT dbo.

Target(Employee ID, Employee Name) VALUES(100, 'Mary'); INSERT dbo.

Enables the detection, download, and installation of updates for Windows and other programs.