ROWID - data type export import

Hi all,
I have a table which has a column of datatype ROWID. Size of the table is 5GB. When I try to export it takes 40 mins for this table. While importing it takes 7hrs to complete.
I feel it is taking more time than it is supoposed to. Is it because of the ROWID data type. Is it doing something extra, can someone throw some ilight on this.
Thanks in Advance,
Jaggyam

No it will not be because of the ROWID column data type.
Probably because of:
- creation of indexes on the table.
- creation of constraints (PK/UK/FK/CHECK) on the table.
These actions take time, and do not happen when you export a table.
Btw:
Are you aware that the rowid values in that particular column will (very likely, depends a bit on your case) have been rendered un-usable after the import?

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I am not sure For me it is working
Connected to:
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With the Partitioning, OLAP and Data Mining options
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2   r rowid;
3   begin
4   select rowid into r from t where rownum<2;
5   end;
6 /
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SQL>
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With the Partitioning option
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SQL> ed
Wrote file afiedt.buf
1   declare
2   r rowid;
3   begin
4   select rowid into r from t1 where rownum<2;
5* end;
SQL> /
PL/SQL procedure successfully completed.
SQL> r
1   declare
2   r rowid;
3   begin
4   select rowid into r from t1 where rownum<2;
5* end;
PL/SQL procedure successfully completed.
SQL> Message was edited by:
devmiral

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Hey just checked,
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Hi,
Oracle :-11.2
OS:- Windows
Kindly share the pre-checks required for data pump export and import which should be followed by a DBA.
Thanks

When you do a tablespace mode export, Data Pump is essentially doing a table mode export of all of the tables in the tablespaces mentioned. So if you have this:
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Hello,
I'm new to this forum and also to Oracle (Version 10g). Since I could not find an answer to my question, I open this post in hoping to get some help from the experienced users.
My question concerns the Data Pump Utility and what happens to sequences which were defined in the source database:
I have exported a schema with the following command:
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Thanks a lot in advance for any help concerning this topic!
Best regards
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P.S.
It might be that my english sounds not perfect since it is not my native language. Sorry for that! ;-)
But I hope that someone can understand nevertheless. ;-)

My question go in direction to:
1. Did I something wrong with Data Pump Utility?I do not think so. But may be with the existing schema :-(
2. How is the correct way to export and import
sequences that they keep their actual values?If the Sequences exist in the target before the import, oracle does not drop and recreate it. So you need to ensure that the sequences do not already exist in the target or the existing ones are dropped before the import.
3. When the behaviour described here is correct, how
can I correct the values that start again from the
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FUNCTION ZIXI_001_EMP_DET.
""Local Interface:
*" IMPORTING
*"     VALUE(EMP_DET) TYPE ZIXI_EMP
*"     VALUE(OFFER_DT) TYPE ZXI_OFFER_DATA
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<NAME />
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</EMP_DET>
- <OFFER_DT>
<REQ_ID>A235</REQ_ID>
<PRICE />
<QTY />
</OFFER_DT>
</rfc:ZIXI_001_EMP_DET>
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Or any configuration needs to be done?
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Guess I got it... U should define the structure as Tables parameter and not as Import Parameter...
should be like
FUNCTION ZIXI_001_EMP_DET.
""Local Interface:
*" TABLES
*" EMP_DET STRUCTURE ZIXI_EMP
*" OFFER_DT STRUCTURE ZXI_OFFER_DATA
ENDFUNCTION.
~SaNv...
Edited by: Santhosh Kumar V on Mar 18, 2010 6:35 PM

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Import to: Oracle 8.05 (Windows2000)
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Regards
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[email protected]

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I found the following document and this is one that I want to inplement.
https://www.sdn.sap.com/irj/servlet/prt/portal/prtroot/docs/library/uuid/5d51aa90-0201-0010-749e-d6b993c7a0d6
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Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Produc
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ORA-39002: invalid operation
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expdp hr/hr PARFILE=exp.par
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others:
BUFFER=560000
COMPRESS=y -- This will increase better storage
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CONSISTENT=y
CONSTRAINTS=y
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not necesary )
TTS_FULL_CHECK=TRUE
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Export: Release 9.2.0.1.0 - Production on Sun Dec 28 16:37:37 2003
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
You can let Export prompt you for parameters by entering the EXP
command followed by your username/password:
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BUFFER size of data buffer OWNER list of owner usernames
FILE output files (EXPDAT.DMP) TABLES list of table names
COMPRESS import into one extent (Y) RECORDLENGTH length of IO record
GRANTS export grants (Y) INCTYPE incremental export type
INDEXES export indexes (Y) RECORD track incr. export (Y)
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FILESIZE maximum size of each dump file
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FLASHBACK_TIME time used to get the SCN closest to the specified time
QUERY select clause used to export a subset of a table
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TEMPLATE template name which invokes iAS mode export
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[oracle@ozawa oracle]$
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ROWID - data type export import

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