Indexes in SQL Server are database objects that improve the performance of queries by providing a quick and efficient way to access data. They act like a roadmap, allowing the database engine to locate specific rows faster, especially when searching for data based on specific columns. Indexes optimize data retrieval, reduce query execution time, and enhance overall database performance.
SQL Indexes are used in relational databases to retrieve data VERY FAST.
They are similar to indexes at the start of the BOOKS, which purpose is to find a topic quickly.
