http://www.databasejournal.com en-us Copyright 1996-2010 Quin Street Corporation rss@jupitermedia.com rss@jupitermedia.com http://backend.userland.com/rss July 29, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/oracle/article.php/3894901 http://redir.internet.com/rss/click/www.databasejournal.com/features/oracle/article.php/3894901 Ever wonder what the Oracle Database Cost Based Optimizer (CBO) was doing behind the scenes or how it comes up with an execution plan? While other tools or settings show us WHAT the CBO comes up with, the 10053 trace event setting tells us HOW the CBO came to its decision (the final execution plan). July 28, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/article.php/3895096 http://redir.internet.com/rss/click/www.databasejournal.com/features/article.php/3895096 One of the most integral components and critical success factors of any enterprise data warehousing initiative is the Solutions Architecture document, a high-level conceptual model of a data warehousing solution. Learn why this collaborative effort that addresses the needs of all major stakeholders, including both the business units and Information Technology (IT), is essential. July 28, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/oracle/article.php/3895256 http://redir.internet.com/rss/click/www.databasejournal.com/features/oracle/article.php/3895256 Oracle Database 11g Release 2 (11gR2) makes it easier than ever to isolate and identify potential root causes of poor I/O performance. This article focuses on the various Oracle and non-Oracle tools to generate sample workloads to provide sufficient metrics for detection and eventual resolution of performance bottlenecks within the database's underlying input/output (I/O) subsystem. July 27, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/mysql/article.php/3894641 http://redir.internet.com/rss/click/www.databasejournal.com/features/mysql/article.php/3894641 Rob Gravelle explores the MySQL UPDATE statement, which is used to modify existing records in a table. Among its many features, he looks at how to update multiple tables, avoiding mistakes, and how to limit how many rows are updated. July 26, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/db2/article.php/3894636 http://redir.internet.com/rss/click/www.databasejournal.com/features/db2/article.php/3894636 In October 2009, IBM announced that some rather neat technology known as data sharing would be delivered for the IBM DB2 for Linux, Unix and Windows product, in an optional facility dubbed pureScale. Julian Stuhler takes a closer look at this technology and the possible implications for the entire IBM DB2 world. July 26, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/mssql/article.php/3894491 http://redir.internet.com/rss/click/www.databasejournal.com/features/mssql/article.php/3894491 Marcin Policht demonstrates how to leverage SQL Server Integration Services (SSIS) package variables in order to modify SSIS properties without directly editing package content. July 23, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/article.php/3893686 http://redir.internet.com/rss/click/www.databasejournal.com/features/article.php/3893686 Crunched by the economy and squeezed by competition, businesses and consumers alike are turning to mobile computing. This report wraps up our overview of the top contenders in the mobile database market with a look at Sybase SQL Anywhere and SQLite. July 22, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/article.php/3893676 http://redir.internet.com/rss/click/www.databasejournal.com/features/article.php/3893676 Today's workforce and consumers have become increasingly mobile. Businesses crunched by the economy or squeezed by competition look to mobile computing to gain a competitive advantage. This report examines the top contenders in the mobile database market space, starting with SQL Server Compact, Oracle Database Lite and IBM DB2 Everyplace. July 21, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/mysql/article.php/3893756 http://redir.internet.com/rss/click/www.databasejournal.com/features/mysql/article.php/3893756 Learn how you too can stamp out common database errors and learn a lot about relational databases along the way. 'Ambiguous Groups' is extracted from 'SQL Antipatterns', published by the Pragmatic Bookshelf. July 21, 2010 http://redir.internet.com/rss/click/www.databasejournal.com/features/oracle/article.php/3894046 http://redir.internet.com/rss/click/www.databasejournal.com/features/oracle/article.php/3894046 Constantly watching CPU utilization is critical to a database administrator's understanding of their database system. The sar utility, while seemingly small and insignificant can and should be used to help initially determine if any high-level CPU resource usage is out of balance, potentially pointing to database processing that requires tuning.