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Select a Missing Rows

 
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winchaat

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Joined: 23 Mar 2005
Posts: 14

PostPosted: Mon Jan 02, 2006 10:00 am    Post subject: Select a Missing Rows
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I have a requirement to select the rows from table which is not exist,
consider minimum value for eno is 01 & max 10, whithin this i need to select missing eno's.

anyone help pls!!!

ex-

eno dept
01 ABC
02 DEF
04 DEF
06 HJE
07 KLM
09 KLM
10 MSN


O/P Should be like this


eno

03
05
08


BY
RAG
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gowtham_1982
Warnings : 1

Active User


Joined: 02 Dec 2005
Posts: 109

PostPosted: Mon Jan 02, 2006 10:34 am    Post subject: Re: Select a Missing Rows
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winchaat wrote:
I have a requirement to select the rows from table which is not exist,
consider minimum value for eno is 01 & max 10, whithin this i need to select missing eno's.

anyone help pls!!!

ex-

eno dept
01 ABC
02 DEF
04 DEF
06 HJE
07 KLM
09 KLM
10 MSN


O/P Should be like this


eno

03
05
08


BY
RAG





hai rag,


we need to go for some logic as we are not sure the increment size of the field which is varying.

but for this i don't think we have any specific feature in SQL for accomplishing this.


please do let me know if you get to know...


kind regards,

gowtham
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rajesh_1183

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Joined: 24 Nov 2005
Posts: 121
Location: Tadepalligudem

PostPosted: Mon Jan 02, 2006 11:24 am    Post subject: Re: Select a Missing Rows
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hi,

if ur eno follows the sequence...then use cursors...and a variable counter...compare the variable counter with each record fetched by the cursor...and write the missing records to a file..increment the variable counter for every read by the cursor..if ur table is not having duplicates..

icon_idea.gif Rajesh/Seshu icon_idea.gif
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