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 Server
  2. Suggest New Category

What Are Three Rules to Use UNION IN SQL SERVER

Question Posted / saravakumar


What Are Three Rules to Use UNION IN SQL SERVER..

Answer / saravakumar

UNION RULES
A UNION must be composed of two or more SELECT statements,
each separated by the keyword UNION.
Each query in a UNION must contain the same columns,
expressions, or aggregate functions, and they must be listed
in the same order.
Column datatypes must be compatible: They need not be the
same exact same type, but they must be of a type that SQL
Server can implicitly convert.

Is This Answer Correct ?    7 Yes 0 No

Post New Answer

More SQL Server Interview Questions

what is datawarehouse?

0 Answers   Informatica,

Explain having clause and where clause?

0 Answers  

What is logshipping and its purpose?

0 Answers  

difference between function and procedure

3 Answers   Cognizant, HCL, TCS, Theorem,

What is difference between aggregate and analytic function?

0 Answers  

Explain the dirty pages?

0 Answers  

What are the magic tables in SQL Server 2000?

7 Answers   Infogain, Merrill Lynch,

syntax for deleting the database in T SQL

5 Answers  

Can you explain the role of each service?

1 Answers  

What are the characteristics of modern DBMS?

0 Answers   Ericsson,

What is the use of DBCC commands?

4 Answers   NA,

What is a primary key?

0 Answers  

For more SQL Server Interview Questions Click Here
Categories