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Automated Physical Database Design and Tuning
book

Automated Physical Database Design and Tuning

by Nicolas Bruno
February 2011
Intermediate to advanced content levelIntermediate to advanced
253 pages
8h 4m
English
CRC Press
Content preview from Automated Physical Database Design and Tuning
Chapter 8
Handling Materialized Views
Similar to indexes, materialized views are redundant data structures that can
be used to speed up query processing. A view is a virtual table whose content
is derived from base tables by using a subset of Standard Query Language
(SQL) (we discuss the language used to define views in Section 8.1). A view is
materialized by defining an appropriate clustered index. Then, the content of
the view is persisted and maintained as if it were a regular table, which can be
indexed and leveraged to answer queries efficiently. Consider again the query
from Chapter 2 that returns the names of employees working in departments
with budgets ...
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Publisher Resources

ISBN: 9781439815670