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 ...

The most important performance-tuning technique available is having the needed indexes created on the tables to ensure that the SQL Server database engine is able to get the data that it needs to as ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...

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 work ...

Using table indexes in databases enables you to find information within the database faster and more efficiently than not using table indexes. The two index types that are commonly used in database ...

Database performance is rarely a single "fix it and forget it" task. SQL Server workloads shift over time. A sluggish ...

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 ...

I'm starting to work quite a bit with an Oracle database, and when talking to a coworker about a problem, his suggestion was to add a secondary index to a table, which helped with the performance ...

SQL is neither the fastest nor the most elegant way to talk to databases, but it is the best way we have. Here’s why Today, Structured Query Language is the standard means of manipulating and querying ...