Tricks for super-fast batch updates with CTAS

This is a secret that is not taught at Oracle University, a trick known to all DBAs who spend late nights, weekends and holidays performing database maintenance during tight windows of opportunity.

When you are updating the majority of rows in a table, using Create Table as Select (CTAS) is often more efficient performance than a standard update. The CTAS method employs this technique:

The CTAS method is designed for massive updates, and it is used by DBAs during batch windows when the database is in maintenance mode and no other operations are being done against the target table.

Follow the link below for more information on super-fast updates with CTAS:

http://www.dba-oracle.com/t_fast_batch_updates_ctas.htm  

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Spot hidden Oracle performance trends!

Using the principles of decision support systems technology, BC has developed an important new Oracle tuning tool, Ion for Oracle. Ion quickly isolates the reports on the important optimization issues, separating the wheat from the chaff like no other performance tuning software.

After several years of hard work, Ion for Oracle is finally available for general release. Ion is unlike any other Oracle tool on the market, a tool that encapsulates expert techniques to allow a DBA to quickly visualize important trends and signatures.

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Need a Health Check?

Oracle is the world's most complex and robust database and there are hundreds of sub-optimal settings that can cripple your database performance.

Burleson Consulting has a great Oracle health check where we identify all database bottlenecks to ensure that your mission critical system is running at optimal speeds.

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Need Oracle Training?

The very best Oracle training comes from Burleson Consulting, where you get an on-site visit by an experienced Oracle expert and author. Whether it's one-on-one mentoring or getting a customized on-site Oracle training class, there is no substitute for BC Oracle training. Just call 800-766-1884 for details, and check out our on-site Oracle training catalog at the following link:

http://www.dba-oracle.com/bc-catalog.pdf 

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There's Always Room at the Top

Burleson Consulting continues to grow as the Oracle community recognizes that high quality Oracle support and training is a cost effective option in these tough economic times.

If you have distinguished yourself in your Oracle career and are ready to step up and enjoy the rewards of joining the ranks of America's top tier support consultants we would like to hear from you.

Evidence of high achievement as an Oracle professional might include publication of books and articles for the Oracle community, achieving an advanced degree from a competitive university and seeking out hands-on experience with complex databases. See here for details and a full qualifications list:

http://www.dba-oracle.com/jobs.htm