SQL Merge | UPSERT in SQL | ORACLE
The MERGE statement in SQL is a very popular clause that can handle inserts, updates, and deletes all in a single transaction without having to write separate logic for each of these.
Using the MERGE statement in SQL gives you better flexibility in customizing your complex SQL scripts and also enhances the readability of your scripts. The MERGE statement basically modifies an existing table based on the result of comparison between the key fields with another table in the context.
DML DML statements : https://drive.google.com/file/d/1VdbV...
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