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Oracle in a Nutshell
book

Oracle in a Nutshell

by Rick Greenwald, David C. Kreines
December 2002
Intermediate to advanced content levelIntermediate to advanced
928 pages
85h 29m
English
O'Reilly Media, Inc.
Content preview from Oracle in a Nutshell

Name

QUERY_REWRITE_INTEGRITY

Synopsis

Value: STALE_TOLERATED | TRUSTED | ENFORCED

Default: ENFORCED

Dynamic: ALTER SYSTEM, ALTER SESSION

Specifies the degree to which Oracle will enforce query rewriting.

Keywords

STALE_TOLERATED

Allows rewrites using unenforced relationships. Materialized views may be rewritten even if they are known to be inconsistent with underlying detail data.

TRUSTED

Allows rewriting using relationships that have been declared but not enforced by Oracle.

ENFORCED

Oracle enforces and guarantees consistency and integrity.

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Publisher Resources

ISBN: 0596003366Errata Page