If you work with databases, you probably know how to insert, update, and delete data using SQL statements. But what if you need to perform multiple operations based on some conditions? For example, ...

In database operations, the process of "overwriting with the latest state if data exists, or registering it as new if it does not" is a pattern very frequently used in master data synchronization and ...

BANGALORE, INDIA: In SQL Server 2008, you can perform insert, update, or delete operations in a single statement using the MERGE statement. MERGE statement allows you to join a data source with a ...

The Transact-SQL code sample in this section demonstrates how you can simulate the T-SQL MERGE statement in a natively compiled module. The sample uses a table variable with an identity column, ...