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oracle pl/sql undocumented functions sql 10.2.0.3 10gR2

Undocumented Oracle Functions

Undocumented functions in Oracle are always fun, and you just may find something useful.

The caveat of course is that they are undocumented. They can change without notice between releases or patch levels, so building apps that depend on them may be unwise.

They are often quite useful from a DBA perspective when used in SQL scripts.

Here are a few that I've played with. These are all found in Oracle 10.2.0.3

These functions have one thing in common - they have a prefix of SYS_OP_

Some of these appear to be identical to documented functions.