Web Reference: I need to be able to run an Oracle query which goes to insert a number of rows, but it also checks to see if a primary key exists and if it does, then it skips that insert. Nov 6, 2024 ยท In this article, we will discuss in detail examples of the UPSERT concept of Update data if it already exists or Insert if it does not exist, in PL/SQL. What is UPSERT Operations in PL/SQL? The UPSERT Operation is a data manipulation operation that combines two DML commands, UPDATE and INSERT. Apr 4, 2016 ยท Because what if TWO people do that insert at the same time. Each will NOT see the others insert (because we have not committed yet), so you will STILL end up with 2 occurrence of "3,3" in the table.
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