Oracle Performance Tuning

Oracle Performance Tuning  is very important part. It is not just the Oracle DBA responsibility ,it is also the responsibility of Oracle developers.Performance tuning should starts before Design and should be continuously tested. We need to have good Knowledge of Oracle Software working. Many times problems occurs as we are not aware of the working of the Oracle

In this section,We are presenting the Oracle performance tuning articles which will help you in solving the problems quickly

Tuning Tools

1. Oracle Explain Plan
2. Autotrace in Oracle
3. Oracle Performance :sql_trace parameter and its impact
4. How to turn on the trace in database and Format the trace file
5. Sql tuning advisor

Performance Terms explained

1. What is Logical I/O and Physical I/O in Oracle Database
2. how to find session generating lots of redo
3. What is IOPS and How to calculate it in oracle
4. What is DB time and Average Active sessions, Active session in oracle
5. Bind Variable in Oracle
6. Automatic Database Diagnostic Monitor (ADDM)
7. Active Session History(ASH)
8. Automatic Workload Repository(AWR)
9. Hanganalyze and system state dump
10. Oracle waits events
11. How to find which sid is doing full table scan

Optimizer

1. New Optimizer Feature with 11g
2. Optimizer hints
3. find optimizer/database underscore parameter
4. Optimizer Mode
5. Join Methods in Oracle

Statistics

1. Find indexes and assigned columns for a table
2. How Table Monitoring and STATISTICS_LEVEL parameter are connected from 10g onwards
3. How to check Stale statistics
4. How to find table where statistics are locked

General Performance topics

1. sql tuning in Oracle
2. Nested Loop Join in Oracle
3. Hash join in Oracle
4. Oracle tuning examination part 2
5. Oracle performance & tuning Quiz
6. Oracle Index clustering factor
7. How to turn on the SQL trace, 10046 event in Oracle database and trcsess, tkprof utility
8. Incremental Statistics Gathering in 11g
9. Useful scripts for Oracle Database
10. Oracle table locks
11. All Useful 11g Dynamic Performance Views
12. How to find the waitevent History of the Oracle session
13. Virtual Index in Oracle
14. Oracle Performance tuning Glossary

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