Learn how to create a clustered index in SQL using the CREATE INDEX statement or a constraint, and some best practices and tips to optimize your index design.

Learn what a spatial index is, why it is useful, and how to create one in SQL for geographic data. Get tips and best practices for spatial indexing in SQL.

How to Reindex SQL Tables. 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 ...