In this article you will learn how Oracle 12c dynamic sampling works. Cases where it helps the optimizer do good estimations as well as cases where it doesn’t will be presented. Only single table sele...
This example shows how to load a script into SQL*Plus for the current session and execute it:
Go into PM Options → Associations
Remove SQL as an extension for SQL Editor (or anywhere else it may ...
Is there anything that a database administrator (DBA) doesn’t do? Most DBAs are jacks-of-all-trades when it comes to keeping company databases running smoothly, and diagnosing and fixing them when the...