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.

Creates indexes on columns in tables. Restriction: You cannot use CREATE INDEX on a table accessed via an engine that does not support UPDATE processing. an IN subquery where the column in the inner ...

How to Create a Table From Query Results in Microsoft SQL. If your business uses relational databases to store data, you may have used a SQL SELECT clause to create new tables from query results.