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Oracle

ORACLE TUTORIALS

Oracle is most widely used Oracle database in the world. It has the capacity to handle large database and high transaction

Here I am presenting the Oracle tutorials on Various Oracle products

  1. Oracle database
  2. Oracle sql/plsql
  3. Oracle application
  4. Weblogic
  5. Performance tuning.

These articles will be  really help in understanding the oracle products and getting started on Oracle system

How to find optimizer and database underscore/hidden parameter in Oracle

Oracle, Oracle Database

This article is part of Oracle database administration tutorials and has query,explanation and examples on how to find the  underscore/hidden parameters for Optimizer and in general any oracle database underscore parameters Query to list all the underscore parameter with Description set lines 132 column name format a45 column description format a50 select ksppinm name, ksppdesc …

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Join Methods in Oracle

Oracle, Oracle Database

We know about the various oracle joins . Now we will see how oracle join the tables while executing the queries. There are various join methods in oracle and each one performance differently . Since Performance is key for OLTP system and we should have good information about Join Methods in Oracle to increase performance …

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Core dump file and adding debug codes in the application executable for Oracle Apps

Oracle, Oracle Ebuisness Suite

Core dump file generation of Oracle Concurrent Manager Oracle concurrent managers consists of many executable and we often faced various issues with it.When an executable ends with a segmentation fault or signal 11, a core file for oracle concurrent manager  should be created. If you are not finding that a core file is created, then …

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Oracle RAC interconnect

Oracle, Oracle Database

What is Oracle RAC interconnect The RAC interconnect is a very important part of the cluster environment it is on of the aorta’s of a cluster environment. The interconnect is used as physical layer between the cluster nodes to perform heartbeats as well as the cache fusion is using it. The interconnect must be a …

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