To Expand or Not to Expand
The expansion of a view to its base tables is a key consideration when evaluating the use of indexes on views. The SQL Server Query Optimizer can expand a view to its base tables or decide to utilize indexes that are found on the view itself. The selection of an index on a view is directly related to the edition of SQL Server 2014 you are running and the expansion options selected for a related query.
As mentioned earlier, the Enterprise and Developer Editions are the only editions that allow the Query Optimizer to use an indexed view to solve queries that structurally match the view, even if they don’t refer to the view by name. For other editions of SQL Server 2014, the view must be referenced in the query, and the ...
Get Microsoft SQL Server 2014 Unleashed now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.