News

This article explores the internals of Oracle9i indexing; reviews the standard b-tree index, index-only tables, and how these indexes may increase the speed of Oracle SQL queries.
Bill Vaughn provides a roundup of SQL Server 2008 indexing tips and tricks, based on advice form Kimberly Tripp and Paul Randall. The tips cover Query Optimizer selectivity and query optimization.
A SQL Server expert gives his take on the absolute, No. 1, very worst thing IT pros can do when it comes to indexing. Consultant, author and Microsoft MVP Denny Cherry travels the world helping ...
First introduced in SQL Server 2012, columnstore indexes can give you major performance gains -- provided you have the right workloads. Here's how columnstore indexes work and what types of data ...
In an earlier tip I discussed how indexes can speed up processing. It's only fair that I also talk about when indexes don't help. First: Because indexes don't always help but do always increase the ...
Indexing is a critical part of database optimization. Indexing can dramatically increase query speed. However, DBAs still struggle with finding optimal indexes or optimal SQL plans. DBTA held a ...
I was wondering if anyone else had some kind of experience doing text similarity tests on documents using SQL Server 2005?I am working on an OSINT (Open Source Intelligence) platform that consumes ...
Enterprise and developer text retrieval solution provider dtSearch has announced a new database indexer add-on designed to extend its “off the shelf” research. The database indexer enables SQL ...