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Oracle Data Warehouse Tuning for 10g
book

Oracle Data Warehouse Tuning for 10g

by Gavin JT Powell
April 2011
Intermediate to advanced content levelIntermediate to advanced
504 pages
16h 49m
English
Digital Press
Content preview from Oracle Data Warehouse Tuning for 10g
4.2
Materialized View Syntax 87
Chapter 4
materialized view is inconsistent with underlying data. Chapter 11 con-
tains advanced details of query rewrite.
ON PREBUILT TABLE
This option registers an existing same-name table as a pre-initialized source
for a materialized view. WITHOUT REDUCED PRECISION forces the
table and materialized view to be matched by columns. The WITH
REDUCED PRECISION allows a loss of matched column precision
between materialized view and table. The following example creates a preb-
uilt table for the subsequently created materialized view:
CREATE TABLE sales_by_region(
region VARCHAR2(32)
,amount NUMBER(10,2));
CREATE MATERIALIZED ...
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Publisher Resources

ISBN: 9781555583354