Tag: Oracle

An Introduction to Extended Data Types in Oracle 12c

One of the lesser known new features that comes as a boon to many developers and DBAs is the provision of implicit handling of large data strings using scalar data types like VARCHAR2 and RAW. When creating tables, each column…

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Oracle E-Business Suite Updates From OpenWorld 2014

Oracle OpenWorld has always been my most exciting conference to attend. I always see high energy levels everywhere, and it kind of revs me up to tackle new upcoming technologies. This year I concentrated on attending mostly Oracle E-Business Suite…

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Is X a Big Data Product?

Virtually everyone in data space claims today that they are a Big Data vendor and that their products are Big Data products. Of course, if you are not in Big Data then you are legacy. So how do you know whether a product is a Big Data product?

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Fixing Windows RAC Listener to Listen On IP Address of Hostname

Recently, there was an issue after a node was added to an existing Windows RAC cluster. After everything was set up, the local listener was not listening to the IP address (192.168.0.37) corresponding to the node’s hostname. Oracle version was…

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Oracle Database: Script to Purge aud$ Table Using dbms_audit_mgmt Package

With an increase in requirements on database security, database auditing is part of most production databases nowadays. The growth on Oracle database audit table”‘aud$” always add spice on a DBA’s life. Since this table growth directly impacts the database performance, this…

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12c: How to Restore/Recover a Small Table in a Large Database

As a DBA, you will receive requests from developers or users, indicating that they deleted some data in a small table in a large database a few hours prior. They will probably want you to recover the data as soon as possible, and it…

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12c: Fun with WITH!

Last night I couldn’t sleep and what else you’re going to do? I was thinking about Oracle stuff. In Oracle version 12, Oracle has enhanced the WITH clause – traditionally used for sub-query factoring – to allow the declaration of functions and…

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Alter Session Kill on Steroids

Learn how you can use the IMMEDIATE option of the Oracle command ALTER SYSTEM KILL SESSION and stop using kill -9.

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In-Memory Column Store: 10046 May Be Lying to You!

The Oracle In-Memory Column Store (IMC) is a new database option available to Oracle Database Enterprise Edition (EE) customers. It introduces a new memory area housed in your SGA, which makes use of the new compression functionality brought by the…

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Create Windows Service for Oracle RAC

It’s my first time on RAC system for Windows and I’m happy to learn something new to share. I created a new service for database (restoredb) only to find out the ORACLE_HOME for the service is “c:\\oracle\\product\\10.2.0\\asm_1” Any ideas as…

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