Upgrading Oracle 9i To Oracle 11g

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Upgrading Oracle 9i To Oracle 11g

  1. 1. Upgrading Oracle 9i to Oracle 11g Farooq Hussain
  2. 2. The Big Question <ul><li>Why should I replace a database system that is completely stable for my company’s needs ? </li></ul><ul><li>Growing business demands calls for growing I.T demands </li></ul><ul><li>Oracle databases need to keep up with newer applications </li></ul><ul><li>New features means wider scope for the existing infrastructure </li></ul><ul><li>It’s Better, it’s Faster and it’s Stronger </li></ul>
  3. 3. <ul><li>Oracle’s latest database version </li></ul><ul><li>Some features improved and some are completely new </li></ul><ul><li>Improved scalability </li></ul><ul><li>Improved reliability </li></ul><ul><li>Improved manageability </li></ul>What’s new with Oracle 11g
  4. 4. Improvements in 11g
  5. 5. Improvements in 11g <ul><li>Enterprise Manager </li></ul><ul><li>Shifted from ‘heavy’ Java based application to ‘light’ Web based version </li></ul><ul><li>One single screen shows the overall database status </li></ul><ul><li>Self-tuning database </li></ul><ul><li>Automatic Database Diagnostic Monitor (ADDM) </li></ul><ul><li>Backup and Recovery Options </li></ul>
  6. 6. Improvements in 11g <ul><li>Enterprise Manager 9i </li></ul><ul><li>Enterprise Manager 11g </li></ul>
  7. 7. Improvements in 11g <ul><li>Data Guard </li></ul><ul><li>Carrying over from 9i with some new changes </li></ul><ul><li>Active Standby Database </li></ul>
  8. 8. Improvements in 11g Prior to 11g – No Active Standby Primary Database Server Standby Database Server Open READ ONLY Shipping of archive logs Unable to apply Archive Logs Oracle 11g – Active Standby Primary Database Server Standby Database Server Open READ ONLY Shipping of archive logs Archive Log Application
  9. 9. Improvements in 11g <ul><li>Real Application Clusters </li></ul><ul><li>First version of RAC had issues </li></ul><ul><li>Rolling Patch Upgrades </li></ul><ul><li>ADDM for RAC </li></ul><ul><li>Provisioning Pack for RAC </li></ul>
  10. 10. The New Features
  11. 11. The New Features <ul><li>Database Replay </li></ul><ul><li>Like a recording device in the database </li></ul><ul><li>It captures the workload not just SQL and replays it </li></ul><ul><li>Simple configuration with advanced results </li></ul>
  12. 12. The New Features <ul><li>SQL Performance Analyzer </li></ul><ul><li>Similar to Replay but different </li></ul><ul><li>Extension of SQL Tuning </li></ul><ul><li>Shows you the before and after picture </li></ul><ul><li>Part of Real Application Testing with Database Replay </li></ul>
  13. 13. The New Features <ul><li>Automatic Memory Management </li></ul><ul><li>Carried over from 10g Automatic SGA management </li></ul><ul><li>Sets the memory parameter once for SGA and PGA </li></ul><ul><li>Eliminates restriction on server memory to the database </li></ul>
  14. 14. Thank You !

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