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How to display last 3 records of a table

 
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rajkan24

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Joined: 21 Feb 2005
Posts: 6
Location: India

PostPosted: Sat Feb 26, 2005 7:02 pm    Post subject: How to display last 3 records of a table
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hi Friends,

Have A Nice Day To All.

I am Rajesh here.Again i am having one doubt in db2.can any one please help me.


1. In a table , there are 25 records .Its not in the order.I want to display the last three records as it is in the table. Don't want to sort.how to write a query for this ?.

Like that i want to select only one record from the table without using conditions(ie, not using coloumn name).how to write query for this?


regards,
R.Rajesh.
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priya

Moderator


Joined: 24 Jul 2003
Posts: 568
Location: Bangalore

PostPosted: Mon Feb 28, 2005 10:54 pm    Post subject: Re
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Raj,

Why not you try Cursors with "FOR FETCH LAST 3 ROWS ONLY" option.
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rajkan24

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Joined: 21 Feb 2005
Posts: 6
Location: India

PostPosted: Tue Mar 01, 2005 7:19 pm    Post subject: hi freinds
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Hi friends ,

"Have A Nice Day"

Thanks for your reply.is there any other method to select the records?.If yes please reply.


Can anyone tell what is row-no() function?. how can we use this?.please reply.bye.

Regards,
R.Rajesh.
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sivatechdrive

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Joined: 17 Oct 2004
Posts: 190
Location: hyderabad

PostPosted: Wed Mar 02, 2005 1:41 pm    Post subject:
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hi rajesh

Even though the row number function is available with Oracle it is not available with normal DB2 ,but
The function is available with DB2 UDB.

the format will be
ROW_NUMBER() OVER (ORDER BY column DESC)

if only ROW_NUMBER() is given
then the result is System Dependent


Thanks
Siva
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