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db_block_checksum, db_block_checking, dbverify

From: Gina Dijkhuis <l.d.dijkhuis_at_ifa.agro.nl>
Date: Wed, 29 Aug 2001 14:11:00 +0200
Message-ID: <3b8cdbe3@news.wau.nl> 





I'm considering the use of these tools or parameters on an Oracle V8.1.7
database.



I know that DB_BLOCK_CHECKING is enabled by default on the SYSTEM
tablespace.



Is it necessarily to use both db_block_checksum and db_block_checking (or
DBVerify)?



Is the performance decrease measurable?



Does RMAN command VALIDATE BACKUP doing the same as DBVerify?



Thanks,



Gina
Received on Wed Aug 29 2001 - 07:11:00 CDT












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