SQL Incremental data load | 3 ways to perform Upsert | Update else Insert| EXISTS | ROWCOUNT | MERGE

In this tutorial, we discuss 3 ways to perform Upsert Operations in SQL Server.
Timeline -
Method 1 - EXISTS - 1:00
Method 2 - ROWCOUNT - 14:40
Method 3 - Merge - 18:27
The SQL code for sample data and tutorial can be found here -
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