What is the effect of setting the value 'FIRST_ROWS' for
OPTIMIZER_GOAL parameter of the ALTER SESSION command ?



What is the effect of setting the value 'FIRST_ROWS' for OPTIMIZER_GOAL parameter of the..

Answer / guest

This value causes the optimizer to use the cost-based
approach for all SQL statements in the session regardless of
the presence of statistics and to optimize with a goal of
best response time.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Oracle General Interview Questions

What are the data types in oracle?

0 Answers  


Explain the use of online redo log files in oracle.

0 Answers  


How to export your connection information to a file?

0 Answers  


Typically, where is the conventional directory structure chosen for Oracle binaries to reside?

0 Answers  


How to retrieve first and last records from a table?

7 Answers   DELL, QSmart,






what are the different types of cursors? explain?

4 Answers  


what are different types of locks?

6 Answers  


How can I see all tables in oracle?

0 Answers  


what is difference between sql plus and sql*plus? (not sql and sql plus).

0 Answers  


How to pass parameters to procedures in oracle?

0 Answers  


How to view existing locks on the database?

0 Answers  


In my table i have 4 columns with 100 records but in that 4 columns one column contains all NULL values so can i add NOT NULL CONSTRAINT on that column......... ok if it is not possible, can i add NOT NULL CONSTRAINT from 101 Record Onwards?

4 Answers   Cap Gemini,


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)