Database migrated from Oracle 10g to 11g Discoverer report performance issu

Hi All,
We are now getting issue in Discoverer Report performance as the report is keep on running when database got upgrade from 10g to 11g.
In database 10g the report is working fine but the same report is not working fine in 11g.
The query i have changed as I have passed the date format TO_CHAR("DD-MON-YYYY" and removed the NVL & TRUNC function from the existing query.
The report is now working fine in Database 11g backhand but when I am using the same query in Discoverer it is not working and report is keep on running.
Please advise.
Regards,

Pl post exact OS, database and Discoverer versions. After the upgrade, have statistics been updated ? Have you traced the Discoverer query to determine where the performance issue is ?
How To Find Oracle Discoverer Diagnostic and Tracing Guides [ID 290658.1]
How To Enable SQL Tracing For Discoverer Sessions [ID 133055.1]
Discoverer 11g: Performance degradation after Upgrade to Database 11g [ID 1514929.1]
HTH
Srini

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Manually Migrating from Oracle 10g to 11g

Hello, I'm currently a student in an Oracle DBA class. I'm totally new to the Oracle world.
One of our final assignments concerns upgrading Oracle instances without the use of DBUA.
I've currently got Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 and am trying to upgrade to 11.1.0.7.0
This is all inside of VirtualBox, running Windows Server 2008. I've been using 10g with absolutely no issues for the duration of this class.
I successfully installed 11g, choosing to install the software only and not use dbua.
I changed my environment variables to point towards the 10g installation; ORACLE_HOME, ORACLE_SID, PATH, and LD_LIBRARY_PATH.
Then logged into 10g's SQLPlus and ran utlu111i.sql, which ran successfully. I issued a shutdown immediate and exited SQLPlus.
Changed my environment variables to point towards the 11g home and set ORACLE_SID as the 10g database name. I was able to log into 11g's SQL plus, was told I was connected to an idle instance, which I expected. I issued a startup upgrade command, and then attempted to run catupgrd.sql, but got an error stating that I had to run the script from 11g.
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Here's all of the terminal output from the process:
C:\Users\Administrator>sqlplus
SQL*Plus: Release 10.2.0.3.0 - Production on Fri Apr 29 20:15:09 2011
Copyright (c) 1982, 2006, Oracle. All Rights Reserved.
Enter user-name: connect /as sysdba
Enter password:
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> @?
SP2-0310: unable to open file "C:\270Oracle.sql"
SQL> @C:\NewCIS270\product\11.1.0\db_1\rdbms\admin\utlu111i
Oracle Database 11.1 Pre-Upgrade Information Tool 04-29-2011 20:16:16
Database:
--> name: KYLMAN
--> version: 10.2.0.3.0
--> compatible: 10.2.0.3.0
--> blocksize: 8192
--> platform: Microsoft Windows IA (32-bit)
--> timezone file: V4
Tablespaces: [make adjustments in the current environment]
--> SYSTEM tablespace is adequate for the upgrade.
.... minimum required size: 729 MB
.... AUTOEXTEND additional space required: 249 MB
--> UNDOTBS1 tablespace is adequate for the upgrade.
.... minimum required size: 417 MB
.... AUTOEXTEND additional space required: 352 MB
--> SYSAUX tablespace is adequate for the upgrade.
.... minimum required size: 455 MB
.... AUTOEXTEND additional space required: 215 MB
--> TEMP tablespace is adequate for the upgrade.
.... minimum required size: 61 MB
.... AUTOEXTEND additional space required: 33 MB
--> EXAMPLE tablespace is adequate for the upgrade.
.... minimum required size: 78 MB
Update Parameters: [Update Oracle Database 11.1 init.ora or spfile]
-- No update parameter changes are required.
Renamed Parameters: [Update Oracle Database 11.1 init.ora or spfile]
-- No renamed parameters found. No changes are required.
Obsolete/Deprecated Parameters: [Update Oracle Database 11.1 init.ora or spfile]
--> "background_dump_dest" replaced by "diagnostic_dest"
--> "user_dump_dest" replaced by "diagnostic_dest"
--> "core_dump_dest" replaced by "diagnostic_dest"
Components: [The following database components will be upgraded or installed]
--> Oracle Catalog Views [upgrade] VALID
--> Oracle Packages and Types [upgrade] VALID
--> JServer JAVA Virtual Machine [upgrade] VALID
--> Oracle XDK for Java [upgrade] VALID
--> Oracle Workspace Manager [upgrade] VALID
--> OLAP Analytic Workspace [upgrade] VALID
--> OLAP Catalog [upgrade] VALID
--> EM Repository [upgrade] VALID
--> Oracle Text [upgrade] VALID
--> Oracle XML Database [upgrade] VALID
--> Oracle Java Packages [upgrade] VALID
--> Oracle interMedia [upgrade] VALID
--> Spatial [upgrade] VALID
--> Data Mining [upgrade] VALID
--> Expression Filter [upgrade] VALID
--> Rule Manager [upgrade] VALID
--> Oracle OLAP API [upgrade] VALID
Miscellaneous Warnings
WARNING: --> Database contains stale optimizer statistics.
.... Refer to the 11g Upgrade Guide for instructions to update
.... statistics prior to upgrading the database.
.... Component Schemas with stale statistics:
.... SYS
.... OLAPSYS
.... SYSMAN
.... CTXSYS
.... XDB
WARNING: --> Database contains schemas with objects dependent on network
packages.
.... Refer to the 11g Upgrade Guide for instructions to configure Network ACLs.
WARNING: --> EM Database Control Repository exists in the database.
.... Direct downgrade of EM Database Control is not supported. Refer to the
.... 11g Upgrade Guide for instructions to save the EM data prior to upgrade.
PL/SQL procedure successfully completed.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Pr
oduction
With the Partitioning, OLAP and Data Mining options
C:\Users\Administrator>set ORACLE_HOME=C:\NewCIS270\product\11.1.0\db_1
C:\Users\Administrator>set ORACLE_SID=KYLMAN
C:\Users\Administrator>set PATH=%ORACLE_HOME%\bin
C:\Users\Administrator>sqlplus "/as sysdba"
SQL*Plus: Release 11.1.0.7.0 - Production on Fri Apr 29 20:22:49 2011
Copyright (c) 1982, 2008, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup upgrade;
ORACLE instance started.
Total System Global Area 440401920 bytes
Fixed Size 1291072 bytes
Variable Size 146803904 bytes
Database Buffers 289406976 bytes
Redo Buffers 2899968 bytes
Database mounted.
Database opened.
SQL> @?
SP2-0310: unable to open file "C:\NewCIS270\product\11.1.0\db_1.sql"
SQL> @?/rdbms/admin/catupgrd
DOC>#######################################################################
DOC>#######################################################################
DOC>
DOC> The first time this script is run, there should be no error messages
DOC> generated; all normal upgrade error messages are suppressed.
DOC>
DOC> If this script is being re-run after correcting some problem, then
DOC> expect the following error which is not automatically suppressed:
DOC>
DOC> ORA-00001: unique constraint (<constraint_name>) violated
DOC> possibly in conjunction with
DOC> ORA-06512: at "<procedure/function name>", line NN
DOC>
DOC> These errors will automatically be suppressed by the Database Upgrade
DOC> Assistant (DBUA) when it re-runs an upgrade.
DOC>
DOC>#######################################################################
DOC>#######################################################################
DOC>#
DOC>######################################################################
DOC>######################################################################
DOC> The following statement will cause an "ORA-01722: invalid number"
DOC> error if the user running this script is not SYS. Disconnect
DOC> and reconnect with AS SYSDBA.
DOC>######################################################################
DOC>######################################################################
DOC>#
no rows selected
DOC>######################################################################
DOC>######################################################################
DOC> The following statement will cause an "ORA-01722: invalid number"
DOC> error if the database server version is not correct for this script.
DOC> Shutdown ABORT and use a different script or a different server.
DOC>######################################################################
DOC>######################################################################
DOC>#
SELECT TO_NUMBER('MUST_BE_11_1') FROM v$instance
ERROR at line 1:
ORA-01722: invalid number
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Pr
oduction
With the Partitioning, OLAP and Data Mining options
C:\Users\Administrator>
Edited by: 855732 on Apr 29, 2011 6:59 PM

Hi,
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0 - Pr
oduction
With the Partitioning, OLAP and Data Mining options
Your instance is started from the 10g ORACLE_HOME. You mentioned you started it from the 11g ORACLE_HOME but it's not the case.
Here is an example with a 10gR2 database started from a 11gR2 ORACLE_HOME :
SQL> startup upgrade pfile =/u01/app/oracle/product/10.2.0/db_1/dbs/initP102.ora
ORA-32006: BACKGROUND_DUMP_DEST initialization parameter has been deprecated
ORA-32006: USER_DUMP_DEST initialization parameter has been deprecated
ORACLE instance started.
Total System Global Area 167387136 bytes
Fixed Size                  1335248 bytes
Variable Size              88080432 bytes
Database Buffers           75497472 bytes
Redo Buffers                2473984 bytes
Database mounted.
Database opened.
SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing optionsNotice the Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 part.
In your case it was Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.3.0
To solve the issue follow the official documentation, you have specific actions with oradim etc. to do (it's always a bit more complicated than with Unix/Linux but it's documented) :
http://download.oracle.com/docs/cd/B28359_01/server.111/b28300/upgrade.htm#insertedID8
Best regards
Phil

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neemin wrote:
Hi,
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j_DBA_saha wrote:
Hello All,
We are having a small database in a windows 2003 server machine. We would be shift this database to another Linux platform. So far My action plan is as follows:-
1. Shutting down instance.
2. copying physical structure of Database
3. alter database backup control file to trace as '....sql';
4. Transfer all the files.
5. In the Linux server creating pfile and creating control file using following commad:-
CREATE CONTROLFILE REUSE DATABASE "DBNAME" NORESETLOGS NOARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY
LOGFILE GROUP 1 '../REDO01.LOG' SIZE 50M,
GROUP 2 '../REDO02.LOG' SIZE 50M,
GROUP 3 '../REDO03.LOG' SIZE 50M
DATAFILE '../SYSTEM01.DBF',
'../UNDOTBS01.DBF',
'../SYSAUX01.DBF',
'../USERS01.DBF',
'../RMANTBS01.DBF'
CHARACTER SET WE8MSWIN1252
6. Opening the database in upgrade mode. I am getting error:
Database mounted.
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: '/u01/COLDBACKUP_T1RMAN_POC/SYSTEM01.DBF'
Please help
-Reards,
SahaThis will not work ....
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In addition to Max's reply, you must be aware that you have to test your applications agains 10g database before you actually upgrade the database.
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Hello
We are planning to upgrade and migrate from Oracle 9 to Oracle 10. ( both version on windows)
Would be of great help if I could avail the below information.
Most of the Instance are more than 50 gig
1 Should use a EXP / IMP or Should use DBUA ( prefer a safe method )
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Most of the Instance are more than 50 gig
1 Should use a EXP / IMP or Should use DBUA ( prefer
a safe method )Use DBUA , it is safer then exp/imp
2.IF DBUA used any idea how much time it should take
It depend on database , machine etc. it should not take more then 2-3 Hr
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I always use manual method and feel manual upgrade is safest.
All details is given in Oracle Documentation
Oracle Database Upgrade Guide
# Virag Sharma

How to migrate a table from ORACLE 10g to 8i

have table named 'liuxg_tab_01' in 10g.
This morning I exported this table using 'exp' and then tried to imp it into 8i, I failed.
After a while, I created a database link named 'ctf' in 8i which connected to 10g. I issued 'create table test as selct * from liuxg_tab_01@ctf',it returns 'ORA-01723'.
Then I extraced the DDL of 'liuxg_tab_01' from 10g with QUEST TAOD, it's:
CREATE TABLE LIUXG_TAB_01
OWNER VARCHAR2(30 BYTE),
OBJECT_NAME VARCHAR2(30 BYTE),
SUBOBJECT_NAME VARCHAR2(30 BYTE),
OBJECT_ID NUMBER,
DATA_OBJECT_ID NUMBER,
OBJECT_TYPE VARCHAR2(19 BYTE),
CREATED DATE,
LAST_DDL_TIME DATE,
TIMESTAMP VARCHAR2(19 BYTE),
STATUS VARCHAR2(7 BYTE),
TEMPORARY VARCHAR2(1 BYTE),
GENERATED VARCHAR2(1 BYTE),
SECONDARY VARCHAR2(1 BYTE)
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After creation of the table using the upper DDL without those 'BYTES', I sucessfully executed 'insert into LIUXG_TAB_01 select * from liuxg_tab_01@ctf'.
Anyone has a better method to move a table from ORACLE 10g to 8i?

1) The particular version of 8i and 10g in use here would be useful. I'm not sure that Oracle supports database links between any version of 8i and any version of 10g, though, so you're probably lucky that it worked as well as it did.
10g 10.1.0.3.0 and 8i 8.1.7.0.0
2) What version of the export utility did you use? You would need to use the 8i version to generate the dump file to have any chance of working, not the 10g verion.
I use the 'exp' provided with 10g 10.1.0.3.0 and 'imp' with 8i 8.1.7.0.0. I have tried to export data directly from 10g 10.1.0.3.0 using 'exp' provided with 8i 8.1.7.0.0. Failed.
3) Why? Since 8i is desupported, there isn't a lot of call for tools to move data from supported releases to unsupported releases.
We have an 8i DB which is still porivding insentive services. We just wanna migrate some tales from 10g to it.
FYI, NLS_LENGTH_SEMANTICS was introduced in 9i, so it's no suprise that 8i objected to the BYTE keyword in the DDL.
What's FYI :P
Another option would be to generate a CSV file of the data from 10g and use SQL*Loader to load it into 8i. Not sure this would be any easier, though.
Justin
Message was edited by:
user510846

Database migrated from Oracle 10g to 11g Discoverer report performance issu

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