Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


1. what is the exact use of hint in sql.

2. How we can avoid index scan in sql even though index is
there in the table.



1. what is the exact use of hint in sql. 2. How we can avoid index scan in sql even though index ..

Answer / karkuvelrajan muthusamy

1. Hints instructs the optimizer to generate the explain
plan as hinted rather than the optimizer choosing its own
explain plan..

2. There are many ways like disabling the index usage by
implementing a function or an operation on the indexed
column OR giving a FULL hint in the query for that
particular table etc

Is This Answer Correct ?    7 Yes 0 No

Post New Answer

More SQL PLSQL Interview Questions

Explain some predefined exceptions.

0 Answers  


What is the use of pl/sql table?

0 Answers  


What are the benefits of stored procedures?

0 Answers  


Can a primary key be a foreign key?

0 Answers  


What does rownum mean in sql?

0 Answers  


How subquery works in sql?

0 Answers  


What is the use of cursor ? how cursor allocate context area for executing the sql statement?

4 Answers   HCL,


Explain the difference between 'between' & 'and' operators in sql

0 Answers  


What is a temp table?

0 Answers  


What is record data type?

0 Answers  


List the various privileges that a user can grant to another user?

0 Answers  


How do you pronounce sql?

0 Answers  


Categories