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Multiple indexes might have a negative performance impact and put stress on system resources.

For OLTP databases, it’s best to create indexes on the Selected column of a table. They use data manipulation language queries (Insert, Update, Delete) along with Select statements for data retrieval and modifications. In an OLTP database, users perform frequent read-write operations, inserting new data and modifying existing data. Indexing requirements vary between online transaction processing (OLTP) and online analytical processing (OLAP) databases. Understand how database design impacts SQL Server indexes Below are some details on each and the critical roles they play.

There are several important areas to consider when it comes to SQL Server indexes, as they can have a significant impact on both your performance tuning efforts and overall database performance. It consists of many different areas such as SQL query optimization, index tuning and system resource tuning, all of which need to be performed correctly in order to successfully retrieve data quickly. When it comes to database performance, performance tuning is without question, one of the most important and complex functions.

In a previous article, we explored SQL Server index requirements and performance considerations.