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...

What is the disadvantage of using subquery exact after a
select statement?ex.
select (select * from sometable)

Answer Posted / sandeep

Main difference is the outer and inner querries are
independent each other. This executes inner querry for each
and every rows in outer querry. It is better to use joins
instead of sub querries where it is possible. But in some
cases we cud use subquerries

Is This Answer Correct ?    12 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

How to list all dsn entries on your local machine using odbc_data_source()?

1017


What is a View ? Can we insert, Update and delete a view?

983


What is user-defined scalar function?

949


How you can find out if an index is useful to the optimizer?

919


What are the grouping functions?

919


How you can change the database name in SQL SERVER?

1171


Explain how dts is used to extract, transform and consolidate data?

977


What are xml indexes?

924


do views contain data ?

937


What do you mean by acid?

973


What are a scheduled jobs?

942


Can coalesce return null?

988


What is table level trigger?

990


What is data block and how to define data block size?

1013


How to get the definition of a stored procedure back?

964