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. Categories >> Software >> Databases >> SQL PLSQL
  2. Suggest New Category

diff b/w sub query and co-relater query?

Question Posted / g.rajesh

Answers were Sorted based on User's Feedback



diff b/w sub query and co-relater query?..

Answer / guru

Sub query means A query within another query. the Sub query
executed first and returns result, which is used by Main Query.

Correlated Sub query:

The sub query has a Reference with a value or values of Main
Query, Which is Called as COrrelated Sub Query.

Thanks

Guru

Is This Answer Correct ?    8 Yes 1 No

diff b/w sub query and co-relater query?..

Answer / ganesh

sub query is select statement which is lying in clause of
another sql stament


corelated subquery:

it is row-by-row processing, in which outer sub query is
processing for every inner query result

Is This Answer Correct ?    5 Yes 0 No

diff b/w sub query and co-relater query?..

Answer / suresh somayajula

Sub Query : In this Inner query will execute first. Based
on that result outer query will execute.

Correlated Sub Query : Query which has reference to the
main query , means outer query will execute first based o
that result inner query will execute.

Thank you,
Suresh.

Is This Answer Correct ?    6 Yes 1 No

Post New Answer

More SQL PLSQL Interview Questions

What is the usage of distinct keyword?

0 Answers  

what is uncommittable transactions? : Transact sql

0 Answers  

Table A Table B 1 1 2 1 3 1. Union & union all --> A Union B , A Union all B 2. Minus , Intersect --> A minus B , B Minus A , A Intersect B 3. Joins A join B , A Left Join B A Right Join B , A full Join B 4. %Type - Uses & Benifit 5. Truncate & Delete 6. Pragma Autonomus Transaction 7. how to Perform DDL from function or procedure 8. Can we have DML inside Function 9. Rank & Dense Rank diffrence 10. Water Mark in Oracle 11. Index , Can we have index in all column of table if no then why ?

0 Answers  

what are the differences between require and include, include_once and require_once? : Sql dba

0 Answers  

Why use truncate instead of delete?

0 Answers  

Why is there a need for sqlcode and sqlerrm variables?

0 Answers  

Hi all, i have a table as follows empid empname mgrid deptid 1 a 3 4 2 b 1 5 3 c 2 3 4 d 3 6 5 e 4 7 i want the output as empname mgrname a c b a c b d c e d

4 Answers  

What is a unique key?

0 Answers  

Cite the differences between execution of triggers and stored procedures?

0 Answers  

What is the primary key?

0 Answers  

column A column b | output 10 7 | 10 5 8 | 8 7 -9 | 7 3 5 | 5 0 6 | 6 Write a sql query to print such output.

4 Answers  

What is the difference between view and stored procedure?

0 Answers  

For more SQL PLSQL Interview Questions Click Here
Categories