Non-clustered index: A non-clustered index is a particular index type in which the index’s logical order does not match the rows ‘ physical order stored on the disk. The leaf node of the non-clustered ...

Learn how to choose between clustered and non-clustered indexes in SQL Server, what are their advantages and disadvantages, and how to use them effectively.

Many SQL Server operations can often be made faster by taking advantage of effective clustered indexes. It should be understood that this combination of a non-clustered and clustered index on the same ...

Non-clustered indexes can be numerous in SQL Server 2008 I remember from my Sybase days that SQL Server tables could support up to 255 indexes. One clustered index and 254 non-clustered indexes.

If there are Key Lookup operators which are shown when looking at the execution plans, this tells you that index changes are needed to the non-clustered index which is being used by the query.

Non-clustered Columnstore Indexes are also getting some enhancements in SQL Server 2016. The most notable of these enhancements is the ability to be updated.

SQL Server 2008 comes with quite a few new features that have more stress on query performance such as filtered index. In this article, we will see how exactly filter indexes help SQL developers and ...

Denny's SQL Secrets. Are Too Many SQL Server Indexes Hurting Your Performance? ... So for a table with nine non-clustered indexes on it there are 10 writes to the transaction log.