SQL Tuning – A close look at the 10053 CBO trace
Learn about the Oracle Cost-based Optimizer trace in this article by Oracle expert Dan Hotka.
Tags: Oracle
Oracle SQL Execution in a Parallel Server Environment
Oracle SQL Execution in a Parallel Server Environment
Oracle Administering Oracle-Managed Datafiles (OMFs)
Oracle Administering Oracle-Managed Datafiles (OMFs)
How Data Guard Benefited with RMAN 12c New Features
In this article we are going to see how the 12c RMAN new features are going to benefit to the Data Guard and how really they are helpful in terms of loss of datafiles and quick recovery on standby databases.
Tags: Oracle
How does Oracle reuse expired and unexpired undo extents?
Learn how Oracle uses expired and unexpired undo extents. Oracle expert Deiby Gomez explains.
Tags: Oracle
Undo rentention time with autoextend on and autoextend off
Learn how undo retention time is set when you have an Undo tablespace with autoextend enabled or disabled. Easy to remember rules.
Tags: Oracle
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