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Monday, March 25, 2013

Testing Lost Writes with Oracle and Data Guard

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Topic: This post is about lost writes in Oracle, on techniques for reproducing and investigating the effects of lost writes and on the use ...
Thursday, February 14, 2013

AWR Analytics and Oracle Performance Visualization with PerfSheet4

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Topic:  This post describes PerfSheet4 , a tool for performance analysis aimed at streamlining access and visualization of Oracle's AWR...
7 comments:
Wednesday, November 28, 2012

Active Data Guard and UKOUG 2012

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I am looking forward to participating again to the  UKOUG annual conference (and also to attend the Sunday's OakTable event). This is f...
Wednesday, September 26, 2012

Command-Line DBA Scripts

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Topic: A review of the command-line monitoring scripts that I currently use for Oracle. Note:  last updated in June 2015. Download links:...
Thursday, August 16, 2012

How to Turn Off Adaptive Cursor Sharing, Cardinality Feedback and Serial Direct Read

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Scope:  New features and improvements on the SQL (cost-based) execution engine are great. However sometimes the need comes to turn some of t...
Wednesday, July 18, 2012

Recursive Subquery Factoring, Oracle SQL and Physics

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Introduction : this post  is about the use of recursive subquery factoring (recursive common table expressions) in Oracle to find numerical ...
Wednesday, July 11, 2012

Listener.ora and Oraagent in RAC 11gR2

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Topic: An investigation of a few details of the implementation of listeners in 11gR2, including the configuration of listener.ora in RAC an...
3 comments: