May 2006
Intermediate to advanced
536 pages
15h 13m
English
Content preview from Inside Microsoft® SQL Server™ 2005Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Indexed Views
Remember that without an index, a view does not have any physical representation of its data–rather, it just has metadata information pointing to the underlying objects. However, SQL Server will physically materialize a view’s data if you create a unique clustered index on the view. SQL Server will keep the indexed view in sync with modifications against the underlying tables. You cannot request to synchronize the view’s contents on demand or on scheduled basis. An indexed view is very much like a table index in terms of data integrity.
Indexed views can give you great performance benefits for queries that retrieve data. Indexed views can substantially reduce the amount of I/O required to return data and the processing time required ...
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