Microsoft SQL Server 2014 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
What’s New for Data Structures
There are no significant changes to data structures in SQL Server 2014 except for the addition of updateable clustered columnstore indexes and memory-optimized tables and indexes. In SQL Server 2012, columnstore indexes were nonclustered only and were not updateable. In SQL Server 2014, clustered columnstore index is updateable, so your workloads can perform insert, update, and delete operations on clustered columnstore indexes. This chapter covers the changes to columnstore indexes available in SQL Server 2014.
memory-optimized tables are part of the new In-Memory OLTP feature in SQL Server 2014. In-Memory OLTP is a memory-optimized database engine integrated into the SQL Server engine and is designed as a means ...
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