Tag: Oracle

While upgrading to 12.1.0.2 I faced error ORA-01830 / ORA-06512

The other day I was running an upgrade for a client that is using ACLs ( Access Control Lists) from 11.2.0.3 to 12.1.0.2. If you have been doing upgrades to 12c, you know that when running the catctl.pl -n 4 catupgrd.sql it…

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Oracle Service Secrets: Migrate Transparently

In the third post in this series, Bjoern Rost, Principal Consultant at Pythian, explains how to migrate transparently using Oracle services.

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Oracle Service Secrets: quiesce tactically

In the second post in this series, Bjoern Rost, Principal Consultant at Pythian, explains how to temporarily disable connections during maintenance with the help of services.

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The rlwrap utility for DBA.

I spend most of my time as a DBA in linux terminal and sqlplus. Everybody who works with oracle sqlplus knows about its power, but also about its limitations. For many years I have used the rlwrap utility developed by…

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ORA-15418: Appliance Mode Not Supported For Compatible.asm 12.1.0.0.0

Fred Denis, Pythian Oracle Database Expert, talks about his encounter with error code ORA-15418: on 12.1 on Exadata.

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Truncates and Sequences Replication in Oracle GoldenGate

Gleb Otochkin, Principal Consultant and Certified Oracle Expert at Pythian, discusses the truncate operation and support for sequences values replication.

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Log Buffer #482: A Carnival of the Vanities for DBAs

Fahd Mirza, Oracle Database Administrator at Pythian, highlights top blogs posts in the worlds of Oracle, SQL Server and MySQL.

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Eight Ways To Ensure Your Applications Are Enterprise-Ready

Elliot Zissman, Managing Director at Pythian, provides practical tips to ensure your organization’s applications are enterprise-ready.

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Time Slider Bug In Solaris 11: Snapshots Created Only For Leaf Datasets

Cyril Ganchev, Big Data Consultant at Pythian, provides a solution for a Time Slider bug in Solaris 11.

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ASMCMD> A Better DU, Version 2

A while ago, I posted a better “du” for asmcmd . Since then, Oracle 12cR2 beta has been released but it seems that our poor old “du” will not be improved. I then wrote a better “better du for asmcmd” with…

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