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.

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

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.