Portal | Manuals | References | Downloads | Info | Programs | JCLs | Mainframe wiki | Quick Ref
IBM Mainframe Computers Forums Index
 
Register
 
IBM Mainframe Computers Forums Index Mainframe: Search IBM Mainframe Forum: FAQ Memberlist Profile Log in to check your private messages Log in
 
Which two of the following query will produce same result

 
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> Mainframe Interview Questions
View previous topic :: :: View next topic  
Author Message
Jeevanand
Warnings : 1

New User


Joined: 26 Dec 2006
Posts: 4
Location: Coimbatore

PostPosted: Thu Apr 12, 2007 5:14 pm    Post subject: Which two of the following query will produce same result
Reply with quote

Consider that student table having

stud no
1
2
3
3

Which two of the following query will produce same result

1--- select * from stud
union
select * from stud

2----select Distinct from stud

3----select * from stud

4----select * from stud
union all
select * from stud
Back to top
View user's profile Send private message

Prajesh_v_p

Active User


Joined: 24 May 2006
Posts: 133
Location: India

PostPosted: Thu Apr 12, 2007 5:25 pm    Post subject:
Reply with quote

I think 1 and 2.. as union removes duplicates..
Back to top
View user's profile Send private message
priyamnavada

New User


Joined: 24 Dec 2005
Posts: 52
Location: hyderabad

PostPosted: Tue May 15, 2007 7:02 pm    Post subject:
Reply with quote

Query 1 and 2 gives the same result
Back to top
View user's profile Send private message
View previous topic :: :: View next topic  
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> Mainframe Interview Questions All times are GMT + 6 Hours
Page 1 of 1

 

Search our Forum:

Similar Topics
Topic Author Forum Replies Posted
No new posts reg query on DYNALLOC feature raghuraman123 SYNCSORT 12 Wed Jan 10, 2018 2:42 pm
No new posts query to fetch record which has only ... maxsubrat DB2 12 Mon Dec 11, 2017 5:03 pm
No new posts How to query MAXGENS of an existing P... Chuchulo Hatyzak JCL & VSAM 4 Wed Nov 22, 2017 10:23 pm
No new posts Native SQL Query kishpra DB2 1 Wed Nov 22, 2017 8:38 pm
No new posts Query on IEFBR14 with GDG Ashishpanpaliya JCL & VSAM 4 Tue Nov 07, 2017 8:34 pm

Facebook
Back to Top
 
Job Vacancies | Forum Rules | Bookmarks | Subscriptions | FAQ | Polls | Contact Us