Re: difference between block changes and consistent block changes

From: Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk>
Date: Fri, 19 Sep 2003 19:43:08 +0100
Message-ID: <bkfimm$dd4$1$8302bc10@news.demon.co.uk>

A Block Change is a forward change to a block, e.g. the action due to an insert, update etc. as well as internal changes for house-keeping reasons.

A Consistent Change is a backwards change to a block, i.e. taking the block backwards in time to produce a CR image.

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"Ryan Gaffuri" <rgaffuri_at_cox.net> wrote in message
news:1efdad5b.0309190859.5cf0179e_at_posting.google.com...


> I know the difference between block gets and consistent gets, but

how


> can there be a different on 'changes'. If Im running a big delete

and


> Im the only user shouldnt all my changes be 'block changes', but the

> bulk of them are consistent changes? I thought they meant about the

> same as consistent gets(which means gets as of current SCN and

> including Rollback) and DB Block gets(as blocks are right now).

>

> what am I missing?

Received on Fri Sep 19 2003 - 13:43:08 CDT