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Home > Indexes, SQL Server 2017 > SQL Server 2017 – ColumnStore Index enhancements and improvements over previous versions

SQL Server 2017 – ColumnStore Index enhancements and improvements over previous versions

December 21, 2017 Leave a comment Go to comments

 
ColumnStore Indexes were first introduced in SQL Server 2012, and this created a new way to store and retrieve the Index or Table data in an efficient manner.
 

What is a ColumnStore Index?
 

What all new features & enhancements done in ColumnStore Index from SQL Server 2012 to 2014 and 2016?
 

–> What’s new in SQL Server 2017?

1. Online Non-Clustered ColumnStore index build and rebuild support added

2. Clustered Columnstore Indexes now support LOB columns (nvarchar(max), varchar(max), varbinary(max))

3. Columnstore index can have a non-persisted computed columns

4. The -fc option in Database Tuning Advisor (DTA) for allowing recommendations of ColumnStore indexes
 

–> Video on ColumnStore Index:


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