Server Utilities :: Faster Impdp Excluding Indexes And Constraints
May 24, 2012
We need to setup a test system using data from one of the offsite customer location.The option we would like to use is impdp with network link. Below given step will make import faster if we exclude indexes and constraints
Steps
Import schema excluding constraints,rf_constraints,indexes with metadata only
Import schema with data only
spool ddl using dbms_metadata.get_ddl from Source for constraints,rf_constraints and indexes
execute on Destination the Index creation ddl
execute on Destination constraints and rf_constraints ddl
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Sep 25, 2011
As we know,there is a parameters named indexes of orignal imp,it use to generate create index ddl,Is there a parameter in impdp compare to it?
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Oct 5, 2013
i want to exclude only data of some particular tables not complete table object when exporting using expdp.
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Oct 8, 2010
Getting below error While Impdp..
Processing object type DATABASE_EXPORT/SCHEMA/PROCACT_SCHEMA
ORA-39083: Object type PROCACT_SCHEMA failed to create with error:
ORA-31625: Schema ADAS is needed to import this object, but is unaccessible
ORA-28031: maximum of 148 enabled roles exceeded
[code]...
ORA-06512: at "SYS.KUPW$WORKER", line 1342
ORA-06512: at line 2
Job "SYS"."SYS_IMPORT_FULL_01" stopped due to fatal error at 17:13:38
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Apr 30, 2009
When I am exporting a schema that own several DBA_JOBS using expdp, and then importing it into another database - the DBA_JOB change ownership to the schema I used for the import.
For example :
the log_user,priv_user and schema_user used to be schema 'A'
but after the impdp, assuming I imported as SYSTEM, the log_user,priv_user and schema_user are now SYSTEM !.
Is this an expected behavior ? How can I avoid it ? the job will fail executing as SYSTEM , and I need to manually create it as user A again.
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Jul 9, 2013
I have a question to clarify regarding user creation during export and import.
Will user get created along with roles,privileges by default when using impdp command ?
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May 8, 2012
I did an export using the following parfile (see below) I want to import all the objects associated with this schema into another DB but I want don't want to over-write any of the permissions such as grants.
Is there a way I can get the grants into a sql file before I do the import. If so, provide an example.
cat exp_par
DUMPFILE=exp.dmp
LOGFILE=exp.log
DIRECTORY=DBBACKUP
schemas=t1
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Mar 11, 2011
I have created table as below
create table emp_temp as select * from emp;
the table is created, but the constraints are not copied. Is there any way to copy all the constraints.
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May 26, 2010
I'm trying to do a network datapump between oracle databases, and it seems to continually hang when it gets to the point where it should be processing table data.
C:>impdp DP_USER/DP_USER parfile=sde_webmap_2.par
Import: Release 11.1.0.7.0 - 64bit Production on Wednesday, 26 May, 2010 17:42:03
Copyright (c) 2003, 2007, Oracle. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Starting "DP_USER"."SYS_IMPORT_FULL_01": DP_USER/******** parfile=sde_webmap_2.par
Estimate in progress using BLOCKS method...
[code]...
It just sits at this point indefinitely.The parfile for those interested:
directory=datapumps
logfile=sde_webmap_2.log
network_link=backup
full=y
INCLUDE=SCHEMA:"IN ('SDE_WEBMAP_BUSINESS','SDE_WEBMAP_BUSINESS_A','SDE_WEBMAP_BUSINESS_B')"
And the results from V$SESSION_LONGOPS
69 SYS_IMPORT_FULL_01 IMPORT 0 1031 MB 5/26/2010 5:50:37 PM 5/26/2010 6:03:29 PM
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Oct 23, 2013
I was running IMPDP for my company's database.Everything is just fine except one problem.A big table(61.1G) could't be imported.The warning message shows "imported TBL_XXXX 61.1G 0 out of 147653981rows".The alert log had no warning message.I didn't know
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Nov 9, 2012
I exported three databases : servicedesk, report and mostcmdb on server A to a dumpfile. Moved them to similar dump location on server B. Now, I want to import them into B by using:
[SQL> impdp system/OSS_MOS7100 dumpfile=MOSTCMDB_0211.DMP schemas=mostcmdb
The error was:
SP2-0734: unknown command beginning "impdp syst..." - rest of line ignored.
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May 23, 2012
I am using Datapump import using database link to import an entire schema from another Server but it gives issues with constraints.I tried to first only import the metadata and then disable the constraints and import data and enable constraint but in this case the temp tablespace keeps filling up and i am out of space. Is there any method to do a full import including constraints and indexes.
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May 29, 2012
I need to recreate/ clone my database to a new machine. The two machine are not connected in the network.
Step 1. (Oracle 10.2.0.5 AIX 64-bit)
expdp username/password@db1 full=y dumpfile=dp:fpac052912_dp%U.dmp logfile=dp:fpac052912_expdp.log job_name=full_exp
Step 2.
FTP dump files to Windows
Step 3. (Oracle 10.1.0.2 Windows 32-bit)
impdp username/password@db1 dumpfile=dp:fpac052912_dp%U.dmp logfile=dp:fpac052912_impdp.log full=y
I got:
ORA-39001: invalid argument value
ORA-39000: bad dump file specification
ORA-31619: invalid dump file "C:P7DBfpac052912_dp01.dmp"
Done in AIX:
create directory dp as '/bak'
grant read, write on directory dp to public;
grant exp_full_database to username;
Done in Windows:
create directory dp as 'C:P7DB';
grant read, write on directory dp to public;
grant exp_full_database to username;
grant imp_full_database to username;
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Feb 13, 2012
1) My database dump size near about 4GB , which is provided by the vendor .
2) In the dump , total objects are 364949 , where
Table : 121316
LOB object : 121315
(Normal+LOB) indexes : 122317
3) Now when I run the import using system or another user , it hangs on the below stage for 70+ hours ..
impdp ntest/ntest directory=test_dir dumpfile=JBLLIVE.31Jan2012.11.50AM.dmp remap_schema=JBLLIVE:NTEST logfile=ntest_10feb.log
Import: Release 11.2.0.1.0 - Production on Fri Feb 10 09:49:50 2012
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Master table "NTEST"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "NTEST"."SYS_IMPORT_FULL_01": ntest/******** directory=test_dir dumpfile=JBLLIVE.31Jan2012.11.50AM.dmp remap_schema=JBLLIVE:NTEST logfile=ntest_10feb.log
Processing object type SCHEMA_EXPORT/USER
ORA-31684: Object type USER:"NTEST" already exists
Processing object type SCHEMA_EXPORT/SYSTEM_GRANT
Processing object type SCHEMA_EXPORT/ROLE_GRANT
Processing object type SCHEMA_EXPORT/DEFAULT_ROLE
Processing object type SCHEMA_EXPORT/TABLESPACE_QUOTA
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TABLE/TABLE
----
In this situation I observed the worker status and see that some table and some LOB objects including LOB indexes are imported . Worker process do it in background but it does not show in the front import log file (I dont understand why it not shows in the import logfile). it imports one table,one LOB , one LOB index ..then again one table,one LOB , one LOB index ... in this way .
And my observation first it inserts data into the LOB tables and then it inserts into normal table . And when it is starting to insert data to the normal table then this table's log are shown in the import logfile.
an example of our data type :
Objects :
===================================================
LOB_FD17_RGS_TSTCD2 LOB
FD17_RGS_VERSION TABLE
(here i see one table has one LOB segment, in this way 121316 table has 121316 LOB)
SQL> desc FD17_RGS_VERSION
Name Null? Type
----------------------------------------- -------- ----------------------------
RECID VARCHAR2(255)
XMLRECORD BLOB
Our observation perhaps inserting blob mainly occurs the slowness . Is there any patch or is there any bug regarding BLOB/LOB objects in oracle-11gR2
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Apr 15, 2012
I started datapump not using parallel option
I issued the following command
impdp t24/t24 directory=dp_dump dumpfile=bef_cob_%U.dmp schemas=t24
The total dumpfile size is 200 GB..
Now I want to add parallel process to the job..
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Jun 26, 2013
Below is my import command for importing specific function from export file but iam getting below errors
impdp system/PASSWORD schemas=TNC6 directory=dumpdir dumpfile=FULL01-02-2011.dmp logfile=IMP.log include=FUNCTION:"IN ('TNC_IS_NUMBER')"
ORA-39001: invalid argument value
ORA-39071: Value for INCLUDE is badly formed.
ORA-00936: missing expression
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Sep 16, 2011
I have error ORA-00904: "USERNAME" : identificateur non valide. What is the problem ?
My command impdp :
impdp datapump/password@%ORACLE_SID% DIRECTORY=datapump schemas=gcom INCLUDE=PROCEDURE remap_tablespace=gpao_indx:indx remap_tablespace=gpao_data:data DUMPFILE=%ORA_DUMPFILE% LOGFILE=Imp_%annee%%mois%%jour%%hh%%min%%sec%_%ORACLE_SID%.log
The result :
;;;
Import: Release 10.2.0.4.0 - Production on Jeudi, 15 Septembre, 2011 17:47:16
Copyright (c) 2003, 2007, Oracle. All rights reserved.
;;;
Connecté à : Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Table maître "DATAPUMP"."SYS_IMPORT_SCHEMA_29" chargée/déchargée avec succès
[Code]....
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Jul 16, 2010
I have a bit of an issue with Oracle datapump dump files.
Today, I manage the export and import of oracle dump files. As part of the batch export process I have a script which essentially says:
For each schema realated to my application in THIS instance, export schema via the system user (system user allows me privs to all schemas).
On the import UI side of things I am able to run a "head -20" command on the dmp file and determine the "export client version", "date the schema was dumped", and "what schema it was dumped from". All useful info presented in my UI.
Sample output: Begin
EXPORT:V09.02.00
DSYSTEM
RUSERS
8192
Wed Jun 30 11:51:21 UserXXX.dmp
#C##
#C##
[code]....
Sample output: End
in that I allow the importation of production schemas into test schemas, (contained in a different tablespace). Based on naming convention I can determine the schema type (production or test). Additionally and probably most importantly, I am assured where the data has come from.
In looking at "expdp" and the dump file. Using the same method as above, it appears the data pump dump DOES NOT carry similar headers. Because of this, I am unable to return very little useful info from the dump file.
I realize I could run the impdp with the "sqlfile=myfile.sql" and then interrogate the sql file for the info. But on large dump files this would be fairly time consuming compared to a "head -20" on a dump file.
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Aug 2, 2012
i have more than 100 dumpfiles to import into my oracle 11g database. i know how to import(impdp) for same named dumps but here all the dumpfile names are totally different(ex: aa.dmp,bb.dmp,).
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Sep 27, 2011
I am trying to refresh tablespace containing indexes only. Can you let me know whether i am on the right track. Below is my query :
expdp directory=expdp DUMPFILE=user_index.dmp LOGFILE=user_index.log TABLESPACES=user_index
impdp directory=expdp dumpfile=user_index.dmp logfile=user_index_impdp.log tablespaces=user_index
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Oct 17, 2011
I am trying to import the dump using the impdp utility and followed the below steps I have disabled all the constraints and executed the below command
impdp DIRECTORY=EXPDP_DAILY_BACKUP_DIR DUMPFILE=expdp_QA_full_11102011_214501.dmp
logfile=imp_EXPDP_QA_full_12102011_203254.log remap_schema=prod:prod remap_tablespace=prod:prod
schemas=prod TABLE_EXISTS_ACTION=truncate content=data_only.
but I am getting the below error like this for 1 or 2 tables . and If I import those tables seperately its getting imported successfully. i am not getting the below error always .
ORA-31693: Table data object "PROD"."DAS_ID_GENERATOR" failed to load/unload and is being skipped due to error:
ORA-00001: unique constraint (PROD.DAS_ID_GENERATOR_P) violated
ORA-31693: Table data object "PROD"."TKT_DIST_SRV_STAT" failed to load/unload and is being skipped due to error:
ORA-00001: unique constraint (PROD.SERVER_STATS_P) violated
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Aug 4, 2011
I am using expdp/impdp to migrate 4 TB database from solaris to Linux.But the import process is taking forever.
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Nov 16, 2011
How to import constraints only from a dump file using Oracle data pump.
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Sep 13, 2012
I am try to import 4G dump in Oracle 11R2 version, in that we have around 9000+ Package Body which is taking huge time than other objects (about 8 to 12 hrs) and also it is expecting lots of system space (roughly about 10GB).
I have tried both parallel and non-parallel.how to improve speed of the package body import.
Details about the Schema & Import No. of objects in Schema
SQL> select object_type,count(1) from user_objects GROUP BY ROLLUP( object_type);
OBJECT_TYPE COUNT(1)
------------------- ----------
FUNCTION 248
INDEX 5161
JAVA CLASS 471
JAVA RESOURCE 1
JAVA SOURCE 16
LIBRARY 1
ORA-00933: SQL command not properly ended
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Jan 14, 2011
I am using below command to import a schema using network link. Command is :
impdp system directory = IMP_DIR schemas = XYZ network_link = PQR remap_schema = XYZ:XYZ exclude=view: "= 'XYZ.VW_ACCEPTDETAILS'"
This command is giving below error
LRM-00116: syntax error at 'view:' following '='
When I have tried Like in place of '=' sign i.e. EXCLUDE = VIEW:"LIKE '%VW_ACCEPTDETAILS%'" , it gives me below error:
UDI-00014: invalid value for parameter, 'exclude'
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Jun 21, 2013
I am having issue with IMPDP on ORACLE VIRTUAL COLUMNS.I am having following table with Virtual column defined with Not null. Expdp is fine without any issue.
DDL :
------
CREATE TABLE alert_hist
(
alertky INTEGER NOT NULL,
alertcreatedttm TIMESTAMP(6) DEFAULT systimestamp NOT NULL,
alertcreatedt DATE GENERATED ALWAYS AS (To_date(Trunc("alertcreatedttm"))) VIRTUAL NOT NULL
When I do the import (IMPDP) it got failed with the following error.
. . imported "TESTSCHEMA"."VALART" 359.1 KB 4536 rows
ORA-31693: Table data object "TESTSCHEMA"."ALERT_HIST" failed to load/unload and is being skipped due to error:
ORA-39097: Data Pump job encountered unexpected error -1
After that I dropped the Virtual Not null column and recreated that column with Nullable.
DDL :
-----
alter table alert_hist drop column alertcreatedt;
alter table alert_hist add alertcreatedt DATE GENERATED ALWAYS AS (To_date(Trunc("alertcreatedttm"))) VIRTUAL;
After that I took the expdp and impdp , it went fine with out any issue.
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Feb 19, 2012
Is it possible to import a dump file using impdp data pump utility on oracle 10g where the export dump was taken using traditional exp utility and vice versa.
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Feb 21, 2013
I have a query optimized as to it indexes and others runs immediately when the answer is few records in SQL Server such as Oracle, however when the result is large eg 20,000 records all data access times are very diferent. The query returns many fields (about 20) and some of them are of type Varchar 250 and some of 2000 I understand here may be the problem, but not is because for similar results (20,000 records) sql run in 2 seconds and Oracle but it responds little to have full data takes around 30 seconds. The problem is really in bringing information to all these fields since if the inquiry it also but only returning a numeric field is done in 2 seconds. Tests I've done them both through ODBC, in the Toad as in the own Oracle console on the server, so it is not problem Driver or flow of data through the network, I would like to think that this is some of the settings I think there is as much difference between Oracle and Sql. The databases are ORACLE 10 and SQL Server 2008.
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Sep 2, 2010
I want to find out the columns on which primary constraints are enabled.Which view must I use to check this.
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Oct 29, 2010
What should I do with those disabled CONSTRAINTS (most were those file starts with LOGMNR) & TRIGGERS found on our production dB? Are there any impact once I enable those?
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