Beyond Basic Indexes: Mastering Partial, Composite, and Covering Indexes in SQL

Most developers know that adding an index speeds up queries. But slapping a basic index on every column you filter by is a recipe for bloated storage, slower writes, and no real performance gain. The real power comes from choosing the right type of index for the job. In this article, we'll go beyond the basics and explore three advanced indexing strategies: partial indexes, composite indexes, and covering indexes. Each solves a different class of performance problem, and knowing when to reach f...