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
 
delete a record in sequential file

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

New User


Joined: 18 Sep 2006
Posts: 7

PostPosted: Mon Oct 16, 2006 2:05 pm    Post subject: delete a record in sequential file
Reply with quote

Hi,

Plz let me know how to delete a record in sequential file and rewrite the file in a cobol pgm.
Back to top
View user's profile Send private message

meetreks

New User


Joined: 28 Sep 2006
Posts: 26
Location: Edinburgh

PostPosted: Mon Oct 16, 2006 2:46 pm    Post subject:
Reply with quote

Hi,

You cannot possibly delete a record in a sequential file. THe DELETE keyword is only of Indexed files,which can be deleted.

Hope this helps.
Back to top
View user's profile Send private message
priya_gmain

New User


Joined: 18 Sep 2006
Posts: 7

PostPosted: Mon Oct 16, 2006 5:32 pm    Post subject: Re: delete a record in sequential file
Reply with quote

Ya I know that ......But in an interview I have been asked that if there is a requirement to delete a record in sequential file and rewrite .....how do u do that..........
Back to top
View user's profile Send private message
nachiks

New User


Joined: 08 Apr 2006
Posts: 1
Location: chennai

PostPosted: Tue Oct 17, 2006 6:26 pm    Post subject:
Reply with quote

HI,


We cannot delete records using DELETE in sequential files but we can logically delete the records.What we can do is we can rewite a record with SPACES. It looks like this

Code:
BTECH124 A---
BTECH125 B---

BTECH127 C---

TRY THIS

Code:
DECLARE A FILE
01 REC.
02 EMPNO PIC X(15).
02----
02----

IN WSS.
DECLARE A "77 EMPLOYEENO PIC A(15). "

ACCEPT EMPLOYEENO.

READ SEQUENTIAL-FILE <eof>     /* NOW IT READS ALL RECORDS
IF  EMPLOYEENO  =  EMPNO         /*IF CONDITIONS PICKS A REC.
MOVE SPACES TO REC.               /* SPACES ARE MOVED TO THAT REC
REWRITE REC.                           /* NOW REWITING WILL MAKE SPACES


PLS CHEK
BYE
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 How to select record x+7 or x+2 based... JoAnn Kulcyk SYNCSORT 6 Tue Jan 16, 2018 10:49 pm
No new posts COB2 file processing rizwanaccy COBOL Programming 8 Tue Jan 02, 2018 1:00 pm
No new posts KSDS and Index file in cobol deepak14450 COBOL Programming 9 Fri Dec 22, 2017 9:36 am
No new posts Preserve order in Input File pshongal DFSORT/ICETOOL 13 Thu Dec 21, 2017 4:20 pm
No new posts ISSUE IN copying Sequential file reco... thesumitk JCL & VSAM 2 Wed Dec 13, 2017 3:07 pm

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