11gR2 On Redhat5 - Import From Oracle To MySQL
Feb 19, 2013Oracle 11gR2 on Redhat5
I need to export a table from ORACLE to MySQL. My table have more than 1billion rows and more than 140G.
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Import Dump Differences Into MySQL Database
Jun 18, 2012We have the following scenario:
1) We get a daily Oracle 11 Dump
2) We only want to import the current changes in a MySQL database .
For this we need:
a) Is there a tool, script or best practices to get only the differences (delta) ?
b) How to import an Oracle dump or only teh differences into a MySQL database ?
Server Utilities :: Export / Import XML Records In Oracle 11gR2
Jan 28, 2012In oracle 11g R2 , I face a problem when I export/import xml records in the tables . Everytime it takes huge time (like 2 or 3 days) to import or export the data . But the dump size is very small (4gb) and this dump comes from a vendor so that I dont understand that is it a data structure problem or it the normal behaviour to import xml records.
I am not used to with xml record with oracle database before. Here I am using datapump feature . I also mention that when I delete the schema (where I imported the xml data) , it also takes 2/3 days to delete.The import script will hang in the following stage :
=========================
bash-3.2$ impdp system/sys123 DIRECTORY=isb_dir DUMPFILE=jblbld_20110301_01.dmp,jblbld_20110301_02.dmp,jblbld_20110301_03.dmp logfile=JBLBLD_28Jan2012.log schemas=TBLD;date
Import: Release 11.2.0.1.0 - Production on Sun Jan 29 11:10:38 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 "SYSTEM"."SYS_IMPORT_SCHEMA_02" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_SCHEMA_02": system/******** DIRECTORY=isb_dir DUMPFILE=jblbld_20110301_01.dmp,jblbld_20110301_02.dmp,jblbld_20110301_03.dmp logfile=JBLBLD_28Jan2012.log schemas=TBLD
Processing object type SCHEMA_EXPORT/USER
[code]...
The machine has 16 cpu , 32 gb RAM and during export/import most of the time maximum memory will free.
Export/Import/SQL Loader :: How To Load DMP File Into Oracle 11gR2 Database Schema
Mar 24, 2013i have a .dmp file and i want to use the data in this file for my further practices. so, i need to dump the data in the .dmp file to the any schema exists in data base.
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Afterthat, we give EXP command for backup in 11gR2, but it shows some error like NCHAR character data type...
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Jan 23, 2013I`m migrating a mysql 5.0 database to Oracle 11g. I used Oracle's Sql developer and with a workaround i could convert tables, constraints, indexes, some triggers and created sequences.
My question is, what happen with stored procedures and functions, they didn't pass. I've been searching and i found here hey have to be rewritten. Is there any way to convert those objects ? I can't afford to do it manually because the mysql database has almost 400 of them and they aren't small.
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Migrating MySQL Queries To Oracle (sqlplus)
Jun 10, 2010I am migrating MySQL query's to oracle (sqlplus). Tell me what is the below code doing and equivalent for this code in oracle.
declare @start_date datetime
select @start_date='$first_date'
declare @end_date datetime
select @end_date='$end_date'
This is followed by
select distinct ' ', column from my_table;
I tried a lot of ways (set @start_date etc)but nothing really works.
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Jun 2, 2011i tried for 3 days to setup a connection between my oracle database 11.2 (resides on 2003,64 bit Microsoft windows) and a mysql database (resides on 2003,32 bit Microsoft widows).
i used dg4odbc 64 bit which was installed on oracle server, my steps was as follows :
1- configure ODBC driver (MYSQL 3.51 odbc) on oracle server that connect to mysql database and the connection was tested successfully (the name of odbc dsn is DG4ODBC).
2- configure the listener.ora file (which resides on dg4odbc installation path) that contains the following :
LISTENER =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = xxxxxxxxxxxx)(PORT = 1511))
[code]....
3- configure the tnsnames.ora file (which resides on oracle database path) that contains the follwoing :
DG4ODBC =
(DESCRIPTION=
(ADDRESS=(PROTOCOL=tcp)(HOST=xxxxxxxxxxxx)(PORT=1521))
(CONNECT_DATA = ( SERVICE_NAME = DG4ODBC ))
(HS=OK)
)
4- configure that initdg4odbc.ora file that resides on the dg4odbc installation.
HS_FDS_CONNECT_INFO = DG4ODBC
HS_FDS_TRACE_LEVEL = off
5- restart the gateway listener.
6- test DG4ODBC service by tnsping which was successful .when i try to get some data from mysql database by SELECT * FROM MDL_COURSE@DG4ODBC query,the query take some time (15 second !!) and return
ORA-12154: TNS:could not resolve the connect identifier specified
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Nov 23, 2012I had just successfully finished a full importing from Oracle 9i DB to Oracle 11gR2 DB. My export was a full db export.
Prior to this importing, my 11g was a newly created DB with the default SYS, System etc.. schema. Their passwords is different from those in 9i.
However, i realised that after importing... their passwords in 11g was replaced by those passwords in 9i, including SYS and SYSTEM user...
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Jan 23, 2007our system has always been running on mysql database and recently we have switched to oracle. As the current system is coded using mysql query syntax, when i run this program using oracle database, i got a error. The language that I'm using is JSP.
this is the error message:
The following query could not run on oracle. To convert these mysql queries to oracle compatible queries.
SELECT productID,productName FROM products order by productName;
select newsID,newsDate,newsHeadLine1 from news order by newsDate Desc limit 3
SELECT fuji_products.productID, productName_Display FROM products,products_availability where products_availability.productID=products.productID and (product_status='enabled' or product_status='all') AND category='12'
SELECT catID, catSub1 from category where catSub = '"+ prodCat +"' AND catSub1 is not null group by catSub1 order by catSub1
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sqlnet.ora set to NTS.
also user is created on database externally "domain/username"
i want to connect to the database with my windows account!
Error When Installing Oracle 11gR2?
Sep 12, 2013here is the error faced when installing oracle 11gR2,
ERROR:
Exception in thread "main" java.lang.UnsatisfiedLinkError: /tmp/.colorls9rT/OraInstall2013-09-12_03-59-57PM/jdk/jre/lib/i386/xawt/libmawt.so: libXext.so.6: cannot open shared object file: No such file or directory
at java.lang.ClassLoader$NativeLibrary.load(Native Method)
at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1751)
[code]...
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new 11g ORACLE_HOME=/app/ora/11.2.0 .orainventory =?
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RAC & Failsafe :: 11.2.0.2 Patch For Oracle 11gR2 RAC Cluster?
Sep 29, 2010Yesterday I was installing 11.2.0.2 patch to our Oracle 11gR2(11.2.0.1.0) Two node RAC cluster on OEL 5.4 x86 Linux.Before installing I have read [URL] support note which says "Note: All Oracle Grid Infrastructure patch set upgrades must be out-of-place upgrades, in which you install the patch set into a new Grid home. In-place patch set upgrades are not supported. "
During Installation I found following Installation Option :
1) Install and configure Oracle grid Infrastructure for a cluster
2) Configure Oracle Grid Infrastructure for a Standalone Server
3) Upgrade Oracle Grid Infrastructure or Oracle Automatic Storage Management
4) Install Oracle Grid Infrastructure Software Only
Which option should I have to choose here ?
Server Utilities :: Oracle Migration From 8 To 11gR2?
Sep 13, 2010I have Windows server working Oracle 8.0.5.I have to migrate to another server that is Oracle 11gR2 on Windows 2008.Some say I can't do Export and Import directly.And some say DBlink is not working from 11Gr2 to 8.
What can be fewest step to migrate?Somebody try to use 'Oracle directory' and VB and Powerbuilder program to send data and DDL from 8 to 11Gr2.
migrating from Oracle 8.0.5 to 11Gr2 machine.
Performance Tuning :: NOLOGGING In Oracle 11gr2?
Oct 16, 2012I am building a database to store call quality statistics for VOIP networks. It is a very insert heavy application, and data reliability is of relatively minimal importance (in the sense that a few corrupt call records here and there doesn't matter the way corruption does in for example a banks database). Long term storage is also unimportant, most customers only wish to keep 3 months of data readily available in the database. Most do not even archive the older data.
To that end I am searching for every possible way to improve my insert performance and the internet has turned me onto the idea of NOLOGGING. These are the steps I have taken to reduce my IO consumed by the Redo and Undo logs.
1. I am inserting with the APPEND_VALUES hint.
2. I have disabled force logging at the database level
3. I have disabled force logging at the tablespace level
4. I have disabled logging on the relevant table and each of its indices
As best I can tell this is all I can do to minimize Redo/Undo, but based on my observations of the Disk portion of the WinServer2008 Performance Monitor, this has made little to no change in the amount of IO to my REDO and UNDO files. IO to the .dbf containing my table makes up less than 20% of the total disk IO for oracle.exe, the rest is the REDO and UNDO logs.
asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:897564200346274711
The above article is a little over my head but I am able to extract from it that I will never entirely eliminate REDO/UNDO, which is fine, but I would think I could get it lower than it currently is.ted.
Oracle 11gr2 - How To Create Insert Statement
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linux
how to generate insert script by using command prompt. Actually am using toad generating insert statement but it is taking too long time to generate.
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