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
- Oracle Explain Plan
- Autotrace in Oracle
- Oracle Performance :sql_trace parameter and its impact
- How to turn on the trace in database and Format the trace file
- Sql tuning advisor
Performance Terms explained
- What is Logical I/O and Physical I/O in Oracle Database
- how to find session generating lots of redo
- What is IOPS and How to calculate it in oracle
- What is DB time and Average Active sessions, Active session in oracle
- Bind Variable in Oracle
- Automatic Database Diagnostic Monitor (ADDM)
- Active Session History(ASH)
- Automatic Workload Repository(AWR)
- Hanganalyze and system state dump
- Oracle waits events
- How to find which sid is doing full table scan
Optimizer
- New Optimizer Feature with 11g
- Optimizer hints
- find optimizer/database underscore parameter
- Optimizer Mode
- Join Methods in Oracle
Statistics
- Find indexes and assigned columns for a table
- How Table Monitoring and STATISTICS_LEVEL parameter are connected from 10g onwards
- How to check Stale statistics
- How to find table where statistics are locked
General Performance topics
- sql tuning in Oracle
- Nested Loop Join in Oracle
- Hash join in Oracle
- Oracle performance & tuning Quiz
- Oracle Index clustering factor
- How to turn on the SQL trace, 10046 event in Oracle database and trcsess, tkprof utility
- Incremental Statistics Gathering in 11g
- Useful scripts for Oracle Database
- Oracle table locks
- All Useful 11g Dynamic Performance Views
- How to find the waitevent History of the Oracle session
- Virtual Index in Oracle
- Oracle Performance tuning Glossary
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