RE: Remote Materialized View containing joins

  • From: "Xu, Roger" <Roger.Xu@xxxxxxxx>
  • To: "Rajeev Prabhakar" <rprabha01@xxxxxxxxx>
  • Date: Fri, 22 May 2009 14:16:31 -0600

I finally created the MView and a function called MY_MV_CAPABILITIES per
http://www.sqlsnippets.com/en/topic-12884.html

But it says "Not Capable of:  REFRESH_COMPLETE" - how can that be?

 

SQL> select my_mv_capabilities( 'SELECT * FROM S_MV_1', 'REFRESH' ) as
mv_report from dual;

 

MV_REPORT

------------------------------------------------------------------------
--------

 

Not Capable of:

 

  REFRESH_COMPLETE

    no primary key constraint in the master table

 

  REFRESH_FAST

 

  REFRESH_FAST_AFTER_INSERT

    BTPMUSER.S_MV_1

    the detail table does not have a materialized view log

 

  REFRESH_FAST_AFTER_ONETAB_DML

    see the reason why REFRESH_FAST_AFTER_INSERT is disabled

 

  REFRESH_FAST_AFTER_ANY_DML

    see the reason why REFRESH_FAST_AFTER_ONETAB_DML is disabled

 

 

SQL>

 

 

 

________________________________

From: Rajeev Prabhakar [mailto:rprabha01@xxxxxxxxx] 
Sent: Thursday, May 21, 2009 8:10 AM
To: Xu, Roger
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: Remote Materialized View containing joins

 

Hello Roger,

What does your explain plan show for the following query ;

<snip>
-Rajeev



On Wed, May 20, 2009 at 12:32 PM, Xu, Roger <Roger.Xu@xxxxxxxx> wrote:

I am trying to go with fast refresh but I am not sure the performance
issue I may face. Any suggestion? (10.2.0.4)
 

Thanks,

Roger Xu


 
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