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Pro Oracle Database 11g Administration
book

Pro Oracle Database 11g Administration

by Darl Kuhn
December 2010
Intermediate to advanced content levelIntermediate to advanced
713 pages
19h 33m
English
Apress
Content preview from Pro Oracle Database 11g Administration

C H A P T E R  15

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Materialized Views

Materialized view (MV) technology was introduced in Oracle Database version 7. This feature was originally called snapshots, and you can still see this nomenclature reflected in some data-dictionary structures. A materialized view allows you to execute a SQL query at a point in time and store the result set in a table (either locally or in a remote database). After the MV is initially populated, at some later point in time you can re-run the MV query and store the fresh results in the underlying table. There are two main uses for materialized views:

  • Replicating of data to offload query workloads to separate ...
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Publisher Resources

ISBN: 9781430229704Purchase book