What Is Non-Clustered Index In Sql Server With Example? In a non-clustered index (or b-tree index), the order of the rows is not the same as how the data actually appears.

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.

Over Executing NonClustered Indexes The next items to look for are index seeks being executed too many times. Put your mouse over the index seeks and look at the "Number of Executions" (see Figure 8).

In SQL Server 2012, Microsoft introduced the Non-Clustered Columnstore index which was perfectly designed for large Fact tables in a Data Warehouse and provided an order of magnitude performance ...

--This script gives you a per-table count of non-clustered indexes for all databases on an instance, sorted descending by the highest number of indexes. --This is helpful when looking for excessive ...