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Databse & Technology 2 _ Francisco Munoz alvarez _ 11g new functionalities for DBA.pdf

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  • 1. By  Francisco  Munoz  Alvarez  Oracle 11GNew  Func)onali)es  for  DBAs  
  • 2. OK,are you from?
  • 3. Mature  Born  here   Grow  up   Got  Married  Here   Now  Living  here   here   here  
  • 4. ORACLE 11G IMPROVEMENTS  
  • 5. STREAMS  30%-­‐50%   Faster   Query  Results   Caching  RAC  70%  Faster   25%  Faster   OpEmizer  Stats  CollecEon   10X  Faster   More Details More  Improvements  
  • 6. Oracle  Secure  Files   Table  Scans   5X  Faster  than  normal   2.5  X  Faster  using   filesystems.   Advance  Compression  Need More?More  Improvements  
  • 7. “it  enables  read-­‐only  access  to  a   physical  standby  database  for   queries,  sor)ng,  repor)ng,  web-­‐ based  access,  while  con)nuously   keep  applying  all  changes  received   from  the  primary  database.”  ACTIVE DATA GUARD11G  NEW  FUNCTIONALITIES  
  • 8. “Compresses  any  type  of  data   (structured  and  unstructured  data),   as  well  as  network  traffic,  memory   u)liza)on  and  inclusive  the  amount   of  data  in  the  process  of  being   backed  up”    ADVANCED COMPRESSION11G  NEW  FUNCTIONALITIES  
  • 9. •  OLTP  compression  –  It  allows  structured  and  unstructured  data   to  be  compressed  on  INSERT,  UPDATE  and  DELETE  opera)ons.     •  RMAN  Backup  Compression  -­‐  Compress  RMAN  backups.   •  Datapump   export   compression   -­‐   Compress   datapump   export   files.   •  SecureFiles   Deduplica?on   -­‐   Detect   and   eliminate   duplicate   copies  of  files  stored  within  the  database.     •  SecureFiles   Compression   -­‐   Compress   unstructured   file   data   within  the  database.     •  Network  Traffic  Compression  -­‐  Compress  Data  Guard  redo  data   as  it  is  sent  over  the  network.  CompressionsAvailable11G  NEW  FUNCTIONALITIES  
  • 10. OLTP Compression When  Loading  Data  
  • 11. OLTP Compression When  Reading  
  • 12. OLTP Compression When  Inser)ng    (Part  II)  
  • 13. ADVANCED COMPRESSION11G  NEW  FUNCTIONALITIES  
  • 14. “allows  businesses  to  quickly  adopt  new  technologies  while   “it  combines  a  workload  capture  and   elimina)ng  the  risks   replay  feature  with  an  SQL  associated  with  any  change  “   performance  analyser  to  help  you  to   test  the  changes  against  real-­‐life   workloads,  then  it  will  help  you  to   fine-­‐tune  them  before  pung  them   into  produc)on”   RAT Real  Applica)on  Tes)ng  
  • 15. “  Indexes that are ignored by the optimizer. Handy for testing without dropping “  INVISIBLE INDEXES 11G  NEW  FUNCTIONALITIES  
  • 16. “Virtual  Private  Catalog              “Recovery  Advisor”   “AcEve  Database     and  Import  Catalog”   DuplicaEon”   RMAN>  LIST  FAILURE;                                                  RMAN>  ADVISE  FAILURE;            RMAN>  REPAIR  FAILURE;       <PREVIEW><NOPROMPT>             RMAN What  is  New  
  • 17. “MulE  SecEon   “DuraEon”   “Tablespace  Point   Backups”     in  Time  Recovery”   Backup  duraEon  00:30  database;   <minimize  Eme>   <minimize  load>   RMAN Some  more  cool  stuff  
  • 18. “Validate  Database”   “Backup  Failover  to  “Archival  Backup”     Non-­‐Flash  Recovery   Any  Eme  this  command  detects  a   Areas”   database  failure,  it  iniEates  a   failure  assessment  and  logs  the   failure  in  the  ADR.   RMAN Some  more  stuff  
  • 19. “  Configure  the  DB_ULTRA_SAFE   ini)aliza)on  parameter  on  both  the   primary  and  standby  systems  for  the   most  comprehensive  data  corrup)on   preven)on  and  detec)on.“  DB_ULTRA_SAFE 11G  NEW  FUNCTIONALITIES  
  • 20. DB_ULTRA_SAFE In  the  Primary  DB  
  • 21. DB_ULTRA_SAFE In  the  Standby  
  • 22. “Read  Only  Tables”   “Virtual  Columns”    “Health  Monitor”   “EdiEon  Based   purely  expression-­‐based   and  arent  stored  on-­‐disk   RedefiniEon”       Enables  you  to  upgrade  the   database  component  of  an   applica)on  while  it  is  in  use,   thereby  minimizing  or  elimina)ng   down  )me.       Other Important Stuff In  Oracle  11G  
  • 23. Blah!   Blah!  Blah!   Blah!   Blah!   Blah!   Blah!   Blah!   Blah!   Blah!  
  • 24. Thank  You!