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.

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 ...

Scans into Seeks Typically, you'll want to get rid of index scan operations by turning them into index seeks. Do this by adding an additional non-clustered index to the table being scanned.

In SQL Server 2012, the columnstore indexes are non-clustered and cannot be updated other than by rebuilding the entire index.

If screaming speed in data access is the most important thing in your life, SQL Server's durable in-memory, memory-optimized tables are your answer. They were good in SQL Server 2014 and they're even ...

SQL Server 2014 will offer Clustered Columnstore Indexes. These will offer the performance and compression benefits of column-oriented storage without the need to restrict the underlying table to ...