Getting started with the SQL MERGE statement

This article is focused on beginners who have already started writing SQL queries and are now diving deep towards more data processing and complex queries in SQL. When we talk about data processing, an important concept that comes to our mind is performing ETL workloads to a data warehouse. ETL is a very complex topic and is out of the scope of this article, however, some of the activities in ETL can be achieved using the MERGE statement in SQL. Let us walk through it and learn how to use it in real life.

The MERGE statement in SQL is