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diwendu
Beginner
Joined: 24 Mar 2004
Posts: 1
Topics: 1
Location: Indore
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 Posted: Wed Mar 24, 2004 1:51 am Post subject: Help about generating a report |
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Hi,
I need some help regarding generating a report without using Easytrieve from say 5 different datasets.I want to take input from 1 dataset and depending on that input I need to prepare a key. From that key I am going to fetch the records from different datasets.
Suppose there are 90 fields in the dataset from which a user can select any field an based upon that I have to bring information from all the five datasets.
My concerns are
1)Without using CICS and REXX is that possible through only cobol
2) How can I take input from user either through JCL or Through file
3) Is Dynamic input possible
4) Validation of each field is possible if dynamic entry is made. |
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kolusu
Site Admin
Joined: 26 Nov 2002
Posts: 12394
Topics: 75
Location: San Jose
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| Posted: Wed Mar 24, 2004 10:03 am Post subject: |
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Diwendu,
| Quote: |
1)Without using CICS and REXX is that possible through only cobol
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I don't see how CICS can solve the problem here. Everything can be done in one single pgm within cobol.
The following will answer all your queries 2 thru 4.
Pass the key fields via parm to the program. The program will read in the parm and the cobol will have 5 internal sorts. Depending on the key fields passed you can sort all the input files on the key fields.
Once sorted , it is an easy task to match the files.
Read the master file and process all the other files until end of master file.
If you think internal sorts are a resource hog, then you can sort the files outside by accepting the parms.
Hope this helps...
Cheers
Kolusu
_________________
Kolusu
www.linkedin.com/in/kolusu |
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