What is RULE-based approach to optimization ?



What is RULE-based approach to optimization ?..

Answer / kalyani

Rule Based Optimizer (RBO) - This method is used if the
server has no internal statistics relating to the objects
referenced by the statement. This method is no longer
favoured by Oracle and will be desupported in future
releases

Is This Answer Correct ?    2 Yes 0 No

Post New Answer

More Oracle General Interview Questions

What to do if dba lost the system password?

0 Answers  


Explain 1st, 2nd, 3rd normalization form of data base

3 Answers   KH, Thermotech,


How to rename a tablespace in oracle?

0 Answers  


How will you differentiate between varchar & varchar2?

0 Answers  


What is the difference between a primary key & a unique key?

0 Answers  






What are a cluster and non-cluster index?

0 Answers  


What are set operators?

0 Answers  


What happens internally when the user types userID/password@string in SQL PLUS Thanks-Bhaskar

1 Answers   Oracle,


Explain the use of indexes option in exp command.

0 Answers  


A USER HAVING CREATE SESSION PREVILAGE CAN ALTER PASSWORD/CHANGE PASSWORD?

2 Answers  


WHAT IS ecc 6.0

0 Answers  


How to create index-by table in oracle?

3 Answers  


Categories
  • Oracle General Interview Questions Oracle General (1789)
  • Oracle DBA (Database Administration) Interview Questions Oracle DBA (Database Administration) (261)
  • Oracle Call Interface (OCI) Interview Questions Oracle Call Interface (OCI) (10)
  • Oracle Architecture Interview Questions Oracle Architecture (90)
  • Oracle Security Interview Questions Oracle Security (38)
  • Oracle Forms Reports Interview Questions Oracle Forms Reports (510)
  • Oracle Data Integrator (ODI) Interview Questions Oracle Data Integrator (ODI) (120)
  • Oracle ETL Interview Questions Oracle ETL (15)
  • Oracle RAC Interview Questions Oracle RAC (93)
  • Oracle D2K Interview Questions Oracle D2K (72)
  • Oracle AllOther Interview Questions Oracle AllOther (241)