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I’ve created recently a script in AWK to create wait event histogram from 10046 trace file. The script can be found here. I thought that a good idea would be creating a little script to analyze the contents of
I wrote a very simple script in AWK to create wait event histogram (for db file scattered read, db file sequential read, direct path read and direct path read temp) based on 10046 trace file with wait events. M
I was second time at the conference organized by UKOUG but this time I had a pleasure to be among the speakers 🙂 To reach the level set by other speakers was impossible – but trying it gives a lot of fun. Sinc
Some time ago one of my students asked me if temp segments are being written to flash disks on Exadata… Well I wasn’t sure 🙂 But recently I had some time to check it. Let’s create some query that will generate
I’ve wrote about privilege escalation with external tables in this post: https://blog.ora-600.pl/2014/12/23/simple-technics-of-privilege-escalation-part2-dbasysdba/ This time we will try to list all files withi
I had a pleasure to work with my colleagues from Oracle – Radosław Kut and Krzysztof Marciniak – at comparing the performance of In-Memory queries between Sparc M7, Intel® Xeon® X5670 and Intel® Xeon® E5-2699.
Thanks to Oracle I had a possibility to test the new Sparc M7 with DAX coprocessors to boost In-Memory performance. You can read about it here and here My first thought was – how to check if and when the DAX co
Let’s imagine the following situation – you have a table called EMPLOYEES_TMP which is a global temporary table with a variable number of rows – totally nondeterministic. And there is a query which runs very of
ORA-600 i IT School wspierają XXIV finał Wielkiej Orkiestry Świątecznej Pomocy. Nasze połączone siły dewelopersko-administratorskie przygotowały aplikację, za pomocą której będziecie mogli licytować złote serdu