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Oracle Performance Tuning

Oracle Performance Tuning is a very important part. It is not just the Oracle DBA’s responsibility, it is also the responsibility of Oracle developers. Performance tuning should start before Design and should be continuously tested. We need to have good Knowledge of Oracle Software works. Many times problems occur 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
  5. How to set statistics for table in oracle
  6. How to delete statistics from Table in oracle
  7. compare statistics using stattab
  8. How to compare statistics using history for a table in Oracle
  9. How to transfer statistics between databases in Oracle
  10. How to import statistics in Oracle
  11. How to export statistics in Oracle
  12. How to create stat table in Oracle
  13. How to check automatic statistics collection in Oracle
  14. How to restore optimizer statistics
  15. How to delete Optimizer preference
  16. How to gather Statistics with DBMS_STATS Procedures
  17. How to set table level preference setting
  18. How to set Schema level preference setting
  19. How to check optimizer statistics preferences at the table level
  20. Optimizer statistics preferences in Oracle
  21. How to check column statistics in Oracle
  22. How to check Index statistics in Oracle
  23. How to check gather stats on a table

General Performance topics

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

We will keep adding the Knowledge article for Oracle Performance tuning. Please subscribe to the blog to get the latest articles. Also Please do provide the Feedback

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