Dont-Miss

Oracle: Open Source’s Friend or Foe?

Jeremy Allison of the Samba fame wrote an interesting blog post about Sun’s approach to open source participatory development, followed by Bradley Kuhn’s bad opinion of Oracle’s attitude towards open source.

Mar 09, 2010 7:49am

The rise and fall of Sun Microsystems

Sun was a tech juggernaut for nearly three decades. Our memorial slideshow gives this former titan its due.

To view the memorial slideshow at its source, please refer to The rise and fall of Sun Microsystems

Mar 09, 2010 7:44am

BMW ORACLE Racing

Watch highlights of BMW ORACLE Racing's successfull challenge for the 33rd America's Cup.

To watch the highlights, please refer to Highlights from the 33rd Match.

Feb 21, 2010 4:47pm

APEX 4.0 - Learn more about Dynamic Actions

As many of you may know, APEX 4.0 Early Adopter's was released before Christmas. In this release, we introduce a new feature called 'Dynamic Actions' that provides a declarative way of defining client-side behaviour, without needing to know JavaScript. There is a simple wizard to create new dynamic actions, whereby you just specify 'When' the dynamic action will fire, the 'Action' itself and 'What' will be affected.

Jan 14, 2010 6:33pm

OWB 11gR2: Oracle By Examples

There are a number of OBEs available for the OWB 11gR2 release which range from an overview of all the cool new usability improvements in the mapping editor (auto-mapping improvements, copy-paste expressions, operators, operator groups, group/ungroup operators, spotlighting to name a few!), through basics of using the operators in a mapping for joining, filtering, pivoting and so on, then diving into building pluggable mappings (aiding reusability and good software design practice) and last but not least an OBE on data profiling covering profiling, deriving rules and even cleansing th

Nov 23, 2009 7:02pm

Assisting Partition Exclusion

Partitions are often used to help increase the performance of SQL select activity via the concept of partition exclusion – the CBO will be able to identify which of the partitions could hold the data of interest and ignore the others. This is their main benefit from a SQL Select performance perspective.

The problem is, the partitioning key is not always included in your SQL statements.

Nov 23, 2009 6:09pm

Quick Tip: Counting Cursors

Counting the number of open cursors in a database instance can be a confusing activity. Perhaps an application has received an "ORA-01000: maximum open cursors exceeded" error message or perhaps you simply want to get an idea of how many cursors an application has open at some point in its execution. No matter the reason, you've attempted to determine the number of open cursors and have found what seems like incorrect or confusing results (i.e. the value is too high!).

Nov 22, 2009 9:18pm

Oracle Database 11g Podcasts

The Database Insider Podcast Series is proving to be very popular. October's podcasts feature both Oracle experts like Juan Loaiza and Ray Roccaforte discussing Oracle Exadata V2, and customers including Lexmark and Agenor Technologies sharing their experiences of upgrading to Oracle Database 11g. If you haven't tuned in yet, check out the latest Oracle Database 11g podcasts:

Nov 09, 2009 6:21pm

Project Remus 0.9 Released

Remus provides comprehensive fault tolerance for Xen virtual machines. If the physical machine hosting your VM fails, the backup can take over instantly, as if you had migrated it to the backup at the instant before the failure occured. There’s no need for recovery, because the backup is always completely up to date.

Nov 09, 2009 5:42pm

Explicit GRANTs in Oracle Database 11g

The Oracle 2-Day Security Guide starts out chapter 4 talking about managing user privileges.

Nov 06, 2009 2:18am

Menu Search