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

When are we going to use truncate and delete?

0 Answers  

what are the types of join and explain each? : Sql dba

0 Answers  

Why plvtab is considered as the easiest way to access the pl/sql table?

0 Answers  

What are two parts of package ?

2 Answers   Infosys,

Can we commit inside a trigger?

0 Answers  

Name Salary Abc 50000 Abc 50000 xyz 20000 find the max salary using aggregate function?

2 Answers   CTS,

What are the key differences between SQL and PL SQL?

0 Answers  

table structure: ---------------- col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10 01-mar-2012 11:12:46 01-mar-2012 11:11:23 Write a query to display the result as shown below: col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

2 Answers  

How to assign sql query results to pl sql variables?

0 Answers  

How do I run a pl sql procedure in sql developer?

0 Answers  

How many database objects (trigger, packages, sequence etc) uses a particular field in a given table. For ex: I want to know how many database object uses the ATTRIBUTE1 in the PO_VENDORS table. What query will give me the result showing the database object name(package, trigger etc), field_name used (in this case ATTRIBUTE1) and table_name (in this case PO_VENDORS).

2 Answers   IBM,

What is crud diagram?

0 Answers  

For more SQL PLSQL Interview Questions Click Here
Categories