Category Archives: Oracle

INSERT and Error Logging

I have come up to this feature of Oracle lately, when I was working on a certain script to insert and merge data from various tables into one, and was looking out for an effective way to record the errors … Continue reading

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IMP with RESUMABLE option

There are cases when we would need to use the RESUMABLE option with IMPORT. Example: One such case I faced recently where my datafiles were not in the AUTOEXTEND ON mode, because of obvious reasons – so as to give … Continue reading

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How to Find High Water Mark in Oracle

Here’s an interesting find on how to find the high watermark in Oracle. It works fine in both the 10.2.0.1 and 11.2.0.1 at my laptop. Use dbms_space.unused_space to find unused space, whose arguments are:    segment_owner         … Continue reading

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Tuning Oracle with SQLT – Part # 2

Tuning Oracle with SQLT – Part  # 2 Here’s the 2nd part to the series covering SQLT as an important tool for SQL and Oracle Tuning for Oracle DBA’s. In the last post of the series, we covered how to install this … Continue reading

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Oracle :: 12C … The new horizon!

Prologue … Oracle 12C was officially released on 25th June 2013, and is now available for downloads at OTN. The documentation cab be found here. Note: You can download it entirely from here. Here’s a brief of what I have learnt about … Continue reading

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Oracle :: AWR Data Extract

Firstly a small note of Thanks !! Before even starting off this post, I would like to convey my heartiest thanks to Brian Diehl for sharing such a useful piece of information on the Oracle Blog. Introduction The Oracle RDBMS has … Continue reading

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Oracle CBO :: Different Predicates, Same Execution Plan

There are some unfortunate and rare situations which I encounter on few misfortune days of my career, whose investigations lead me to new theories and discoveries. While internet becoming so much information rich these days that it becomes quite easy … Continue reading

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