Re: Re: Desupport of RBO

i dont think they are totally removing the RBO from 10g. Ive seen conflicting reports. I think tom kyte hinted that it is gone, then I read somewhere else that its still going to be there.

RBO is necessary if you use layered complex views. CBO often times doesnt hold up. Its a pretty bad design. But some people use it. I see it mostly with cross-platform apps. They tell you to always use RBO.

if the RBO is totally gone they will need to totally re-architecture their products. So I dont know if Oracle will do this.
>
> From: Kip.Bryant_at_Vishay.com
> Date: 2003/10/07 Tue PM 02:04:31 EDT
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Subject: Re: Desupport of RBO
>
> OK, dumb question. Does this mean the rule hint won't be possible?
> Application I support mostly uses CBO but there have been cases where we had to
> resort to RBO hint. 'course it'll be some time before we can consider v10...
>
> Kip
>
> |Hi Jared,
>
> |haven't seen it, too. But the fact
> |was spreaded over the newsgroups.
>
> |We still have some 3rd party apps that don't use
> |*any* feature above Oracle 7 (well, almost). Queries with
> |the RULE hint where it's not necessary.
> |But if we change a thing, support will be lost.
> |So we decided to rewrite the whole app.
> |Lucky me: enough work for the next years.
>
> |Greetings,
> |Guido
>
> |>>> Jared.Still_at_radisys.com 07.10.2003 01.34 Uhr >>>
> |First time I've seen this note: 189702.1
>
> |Jared
>
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