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.

Microsoft’s Bradley Ball dives into the inner workings of SQL Server indexing to help developers and DBAs speak the same ...

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 ...

SQL Server 2012 also brings a new type of index called a column store index. Traditional indexes store data for each row and then join all those rows to complete the index.

Designing an appropriate set of indexes can be one of the more troubling aspects of developing efficient relational database applications. Perhaps, the most important thing you can do to assure ...

Yes, the data is the same, but the indexes are on completely new pages. When you perform a DBCC DBREINDEX, SQL Server logs only extent allocation (eight-page units) instead of each row or page ...

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 ...

An index stores both the values of a table's columns and a system of directions that enable access to rows in that table by index value. Defining an index on a column or set of columns enables SAS, ...