Do you want to copy or move ?
If move then partition the target table and do an
exchange partition, is the faster way to move data.
- "Ji, Richard" <Richard.Ji_at_MobileSpring.com> a
écrit : > How about turn off logging and drop indexes
on the
> target table. Do insert
> with the APPEND hint. Re-create index.
>
> -----Original Message-----
> Sent: Monday, August 12, 2002 11:18 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Iam planning to copy 18-40Million rows thru CTAS!!
> My question is which one
> is efficient, CTAS or using cursor in pl/sql
> Procedure!!
>
> thanks
> peter.
>
>
> >From: Abdul Aleem <dmit_at_beaconhouse.edu.pk>
> >Reply-To: ORACLE-L_at_fatcity.com
> >To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> >Subject: RE: Transferring data from one table to
> another
> >Date: Sun, 11 Aug 2002 23:23:19 -0800
> >
> >Thank you, Amjad,
> >The problem is that then I have to write a
> procedure for each of the
> >tables.
> >I was looking for something that could be set at
> database level and would
> >apply to every table.
> >
> >Aleem
> >
> > -----Original Message-----
> >Sent: Monday, August 12, 2002 10:43 AM
> >To: Multiple recipients of list ORACLE-L
> >Subject: RE: Transferring data from one table to
> another
> >
> >well if u wanna commit after 1000 records u could
> very well use a cursor
> >and within the loop keep a counter which will
> indicate the no. of records
> >inserted...upon reaching 1000 records just commit
> and reinitialize the
> >counter..
> >
> >i have written the "Pseudo" code below:
> >
> >declare
> > cursor c1 is
> > SELECT * from schema2.abc;
> >cntr number := 0;
> >begin
> > for c1_abc in c1 loop
> > insert into schema1.abc values contained in
> c1_abc;
> > cntr := cntr +1;
> > if (cntr = 1000) then
> > cntr := 0;
> > commit;
> > end if;
> > end loop;
> >/* the following commit is 4 last set of records
> that might not b
> >commited*/
> >commit;
> >end;
> >
> >rgds,
> >Ams.
> >www.medicomsoft.com
> >
> >
> >
> >-----Original Message-----
> >Sent: Monday, August 12, 2002 8:23 AM
> >To: Multiple recipients of list ORACLE-L
> >
> >
> >Hi,
> >
> >We are transferring data from one table in a schema
> to another table in
> >another schema with identical fields using
> >INSERT INTO schema1.abc (SELECT * from schema2.abc)
> >The source table has 1.6 million records. The
> tablespace increases to
> >consume full disk space and yet seems to be
> demanding more so the operation
> >doesn't complete.
> >
> >Is there a possibility to process commit after
> every 1,000 records?
> >Is there any other way of doing it?
> >
> >TIA!
> >
> >Aleem
> >--
> >Please see the official ORACLE-L FAQ:
> http://www.orafaq.com
> >--
> >Author: Abdul Aleem
> > INET: dmit_at_beaconhouse.edu.pk
> >
> >Fat City Network Services -- (858) 538-5051
> FAX: (858) 538-5051
> >San Diego, California -- Public Internet
> access / Mailing Lists
>
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> >--
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> >--
> >Author: Amjad Saiyed
> > INET: amjad_at_medicomsoft.com
> >
> >Fat City Network Services -- (858) 538-5051
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> >Author: Abdul Aleem
> > INET: dmit_at_beaconhouse.edu.pk
> >
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>
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> Author: Peter R
> INET: niagarap_at_hotmail.com
>
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=== message truncated ===
Stéphane Paquette
DBA Oracle, consultant entrepôt de données
Oracle DBA, datawarehouse consultant
stephane_paquette_at_yahoo.com
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Received on Mon Aug 12 2002 - 11:28:41 CDT
