Answer Posted / tony
Cost Based Optimizer (CBO) - This method is used if
internal statistics are present. The CBO checks several
possible execution plans and selects the one with the
lowest cost, where cost relates to system resources.
| Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
what is port in oracle? how is it related to database application.
Is oracle the best database?
What is blob datatype?
what is the scenario where you take the database to NoArchivelog mode?
How do I start tns listener?
In XIR2 if we lost the administration password .How can we regain the password?thanks in advance.
What are the various oracle database objects?
How can I see all tables in oracle?
How do we create privileges in oracle?
What privilege is needed for a user to delete rows from tables in another schema?
What is a directory object?
What is oracle server autotrace in oracle?
what is IDE,DMV in sql server?
In the oracle version 9.3.0.5.0, what does each number shows?
Is insert autocommit in oracle?