What is the Difference between AGG and @idescendants
Hello everyone,
I saw in many codes someone uses @idescendants, and someone uses AGG.
Both will give the same result.
As I read the Oracle doc, I really dont know the exact purpose of these functions.
So my question is:
- What is the difference between AGG and @idescendants
- The usage of the function in certain cases.
Thanks!
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