After going through oracle documentation, I'm a bit confused.
What is the difference between OCI and SQLLIB. Does SQLLIB uses OCI internally? What are the advatages of Pro*C/C++ over PL/SQL? What exactly is UPI
Why doesn't the Oracle optimizer use my index?
Querying too much data
Most Oracle developers know that an index is useful when you can use it to restrict your result set to a small number of the total rows in a table.
So, the obvious side…
How to Create User-Defined Aggregates in Oracle
Before we begin creating these things, what are user-defined aggregates? They are a feature introduced in Oracle 9i that allows a developer to create his or her own functions like "SUM", "AVG", and…