Export and Import issue in Oracle 11g

Hi All,
I have exported data using exp command in oracle 11g by keeping deferred_segment_creation FALSE.
Even then my zero records tables are not coming in export.
What could be the reason or what other thing i have to do to make it work.
Thanks in advance
Mohsin J

Tables that were created before you changed deferred_segment_creation to FALSE and do not have any rows would still be segment-less tables --- i.e. not exported.
You need to issue an "ALTER TABLE tablename MOVE" for each of such tables (after having set deferred_segment_creation to FALSE) to force a rebuild of these tables with segments before the export.
Thus, the sequence is
1. set deferred_segment_creation to FALSE
2. identify all tables with 0 rows
3. issue an ALTER TABLE tablename MOVE for each of such tables from step 2
4. Re-run your export
alternatively use conventional export (exp) instead of datapump export.
Hemant K Chitale

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Do you can access to metalink?
If not, I copy an paste this doc's....
Doc ID: Note:10767.1
Subject: How to perform FULL System Export/Imports
Type: BULLETIN
Status: PUBLISHED
Content Type: TEXT/X-HTML
Creation Date: 18-APR-1994
Last Revision Date: 30-AUG-2002
Purpose
This article highlights some important points to consider when performing
a Full System Export and Import.
Scope and Application
It is intended to assist users performing FULL System Exports and Imports.
A Full System Export and Import is a useful way to replicate or clean up
a database. Please note the following guidelines when performing a Full
System Export and Import:
1. When performing the import, ensure you are pointing at the correct
instance. Always check values for the SID and two task driver before
proceeding.
*Note: On Unix systems, just entering a sub-shell, such as using
C-shell, can change the database that the import would work
against.
2. When possible, it is advisable to take a physical copy of the
exported database and the database you intend to import into before
starting the import. This ensures any mistakes are reversible.
3. NEVER run a FULL SYSTEM IMPORT on a machine that has more than one
database UNLESS you are 100% sure all tablespaces have been
pre-created. A full import will create any undefined tablespaces
using the same datafile names as the exported database. There are
situations where this is very dangerous:
-> If the datafiles belong to ANY other database, they will be
CORRUPTED. This is especially true if the exported database is
on the same machine, because its datafiles will be re-used by
the database you are importing into.
-> If the datafiles have names that clash with existing operating
system files.
4. When exporting, it is advisable to also produce a report showing
information you may need before / after the import:
-> List the tablespaces and datafiles
-> List the rollback segments
-> List a count, by user, of each object type such as tables,
indexes, etc.
This enables you to ensure that tablespaces have been pre-created
and to check the success of the import after it is complete.
5. If you are creating a completely new database from an export, remember
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in the init.ora file before proceeding with the import.
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correctly. It is advisable to select next_value for each sequence
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Doc ID: Note:174226.1
Subject: How To Copy an Oracle Database To Another Machine
Type: HOWTO
Status: PUBLISHED
Content Type: TEXT/X-HTML
Creation Date: 12-OCT-2001
Last Revision Date: 01-OCT-2003
goal: How to copy an Oracle database to another machine
fact: Oracle Server - Enterprise Edition
fix:
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and have to have exactly the same database version installed.
1. Make sure the database you want to copy was closed with a SHUTDOWN IMMEDIATE,
SHUTDOWN NORMAL or SHUTDOWN TRANSACTIONAL.
2. Copy init.ora and control files to create instance and be able to go in
mount mode. Check the init.ora for the locations where the controlfiles have
to be, if those locations are not valid on the machine put the control files on
different places and adjust the init.ora accordingly.
3.a. Copy the datafiles (all of them).
b. Copy the redo-logfiles (all of them).
4.a. (Unix only) Set the environment variables:
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ORACLE_HOME - set to full pathname of the Oracle system home directory
PATH - needs to include $ORACLE_HOME/bin
b. (NT/2000 only) Do 'set ORACLE_SID=<SID>'
Use oradim to create the service for the instance. For more information
on oradim please refer to (the part that refers to creating a new instance):
Note:68720.1 Creating a new 7.3, 8.0, 8.1 Instance/Database
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sqlplus (version 9i and above) to startup the database in mount mode.
Do
CONNECT INTERNAL/<PASSWORD>
then
STARTUP MOUNT
Then do a rename of the copied datafiles if they are not in the same path as on
the other machine. For all the files that are in the result of the query:
SELECT NAME FROM V$DATAFILE;
do
ALTER DATABASE RENAME FILE '<oldfullpath>\<filename>' to <
newfullpath>\<filename>';
6. Query the datadictionary for the old location of the redolog files using:
SELECT MEMBER FROM V$LOGFILE;
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Hi,
I just want to do the export and import.
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Destination DB - Oracle 9i on Windows OS (import).
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add version=9.x while taking the export from solarisThat advice doesn't apply for 10g to 9i.
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Hi There;
I have a database in my local machine that doesn't support Turkish characters. My NLS_CHARACTERSET is WE8ISO8859P1, It must be changed to WE8ISO8859P9 , since it supports full Turkish characters. I would like to migrate character data using a full export and import and my strategy is as follows:
1- create a full export to a location in network,
2- create a new database in local machine that it's NLS_CHARACTERSET is WE8ISO8859P9 (I would like to change NLS_LANGUAGE and NLS_TERRITORY by the way)
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Thanks in advance.
Technical Details
NLS_LANGUAGE.....................AMERICAN
NLS_TERRITORY.....................AMERICA
NLS_CURRENCY.....................$
NLS_ISO_CURRENCY..............AMERICA
NLS_NUMERIC_CHARACTERS .,
NLS_CHARACTERSET.............WE8ISO8859P1
NLS_CALENDAR.....................GREGORIAN
NLS_DATE_FORMAT................DD-MON-RR
NLS_DATE_LANGUAGE...........AMERICAN
NLS_SORT...............................BINARY
NLS_TIME_FORMAT.................HH.MI.SSXFF AM
NLS_TIMESTAMP_FORMAT......DD-MON-RR HH.MI.SSXFF AM
NLS_TIME_TZ_FORMAT............HH.MI.SSXFF AM TZR
NLS_TIMESTAMP_TZ_FORMAT..DD-MON-RR HH.MI.SSXFF AM TZR
NLS_DUAL_CURRENCY............ $
NLS_COMP...............................BINARY
NLS_LENGTH_SEMANTICS.......BYTE
NLS_NCHAR_CONV_EXCP........FALSE
NLS_NCHAR_CHARACTERSET...AL16UTF16
NLS_RDBMS_VERSION............10.2.0.1.0

First, if your applications run on Windows, do not use WE8ISO8859P9. Use TR8MSWIN1254.
Second, if you create a new database, the database is not necessarily immediately accessible to outer world. I do not know Toad and I have no idea if it performs all necessary steps required for the new database to be visible. For example, in the Toad itself, I assume you should create a new connection that references the new SID of the newly created database and use this new connection to connect. However, connections without a connection string use the ORACLE_SID setting in Registry to tell connecting applications which instance (database) to use. To change the database accessed with an empty connection string you need to modify Registry (unless Toad has an option to do this for you). If you want to connect without changing Registry, you need a connect string. This requires setting up Oracle Listener to serve the new database (unless default configuration is used and the database registers itself with the default listener). It also requires changing tnsnames.ora file to create an alias for the new database. Net Manager and/or Net Configuration Assistant can help you with this.
I wonder if Database Configuration Assistant would not be a better tool to create new Oracle databases.
Thanks,
Sergiusz

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