Re: Using DBMS_METADATA/DBMS_REDFINITION to move all objects to another TS

From: Andrew Kerber <andrew.kerber_at_gmail.com>
Date: Thu, 20 Jun 2013 15:06:06 -0500
Message-ID: <CAJvnOJY2b7YO_rMHkUFVOkx8e_GMMXePeP4pNNCRfd14pae+qQ_at_mail.gmail.com>

Well, no doubt he could, but he would still have to move the tables. Would you please cut down the size of your signature block when posting to this group? It looks to me like you are posting here primarily so we can see all the nice things you work on, but it doesnt really impress anyone here, and it does look kind of noisy.

On Thu, Jun 20, 2013 at 3:00 PM, Kevin Jernigan <kevin.jernigan_at_oracle.com>wrote:

> Question: why are you moving data from your production database to
> another database? Could you use Partitioning + Compression + read-only
> tablespaces etc to accomplish the same goals?
> -KJ
>
> *<SNIP>
>
> On 6/20/2013 9:26 AM, Rich Jesse wrote:
> > Howdy,
> >
> > In 11.2.0.3, we're archiving a good portion of data from Production ERP
> DB
> > to Production Archive DB. All tables are in one tablespace, all indexes
> in
> > another, as designed by 3rd party ERP. In order to recover the 100s of
> GB
> > of disk post-archive, my plan is to:
> >
> > 1) Create new TS big enough to handle all tables and indexes.
> > 2) Use DBMS_METADATA to create new tables and indexes in new TS
> > 3) Use DBMS_REDEFINITION to online move data to new TS
> > 4) Drop/recreate old TS
> > 5) Use DBMS_METADATA to create new tables and indexes in original TSs
> > 6) Use DBMS_REDEFINITION to online move data to original TSs
> > 7) Drop new TS
> >
> > The reason I need to use DBMS_METADATA is for the requirement to move the
> > tables and indexes to a new TS. DBMS_REDEFINITION will not do that.
> >
> > The problem I'm having is how to remap each index name to a new name in
> > DBMS_METADATA. Basically, I'm trying to use this to grab the remapped
> DDL
> > for each index on a given table:
> >
> > v_idx_handle := DBMS_METADATA.OPEN('INDEX');
> > DBMS_METADATA.SET_FILTER(v_idx_handle, 'BASE_OBJECT_SCHEMA', v_schema);
> > DBMS_METADATA.SET_FILTER(v_idx_handle, 'BASE_OBJECT_NAME',
> v_source_table);
> > v_ddl_xform := DBMS_METADATA.ADD_TRANSFORM(v_idx_handle,'MODIFY');
> > DBMS_METADATA.SET_REMAP_PARAM(v_ddl_xform, 'REMAP_TABLESPACE',
> > v_source_idx_ts, v_dest_ts);
> > --DBMS_METADATA.SET_REMAP_PARAM(v_ddl_xform, 'REMAP_NAME', ???,
> ???||'_NEW');
> > v_ddl_xform := DBMS_METADATA.ADD_TRANSFORM(v_idx_handle,'DDL');
> > LOOP
> > v_ddl := DBMS_METADATA.FETCH_DDL(v_idx_handle);
> > ...
> >
> > But how does one remap the name in the transform (commented out) when
> it's
> > not known until it's DDL is fetched? Or am I looking at some regexp in
> the
> > post-FETCH_DDL?
> >
> > Thanks!
> > Rich
> >
> > --
> > http://www.freelists.org/webpage/oracle-l
> >
> >
>
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>

-- 
Andrew W. Kerber

'If at first you dont succeed, dont take up skydiving.'


--
http://www.freelists.org/webpage/oracle-l

Received on Thu Jun 20 2013 - 22:06:06 CEST