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how can we use 2 keys while using in VSAM?

 
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babun
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Joined: 03 Aug 2005
Posts: 19
Topics: 9
Location: bangalore
PostPosted: Thu Dec 15, 2005 11:18 am    Post subject: how can we use 2 keys while using in VSAM? Reply with quote
Hi folks
i have the req of using 2 keys in ksds(VSAM),,so we can use the one key like keys(7,14)which is used for 1 key,,but can we use combination of keys? if we can can u pls answer & send it to me asap pls..
babu
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MikeBaker
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Joined: 04 May 2004
Posts: 96
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PostPosted: Thu Dec 15, 2005 4:14 pm    Post subject: Reply with quote
Look up "Alternate Key"...
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Phantom
Data Mgmt Moderator
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Joined: 07 Jan 2003
Posts: 1056
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Location: The Blue Planet
PostPosted: Fri Dec 16, 2005 8:05 am    Post subject: Reply with quote
Babun.

I didn't get your request clearly. Are you trying to have a combination of two/more fields together as a Key ? or do you want two different fields (at different positions) to act as a key ?

If you are looking at question 1 - Composite key:
Group two or more fields together under a group variable and use that group variable as key field.
Code:

01  WS-VSAM-RECORD.
    05  WS-VSAM-KEY.
        10  WS-FIELD1         PIC  X(05).
        10  WS-FIELD2         PIC  X(02).
        10  WS-FIELD3         PIC  X(08).
    05  WS-VSAM-DATA.
        ......


If you want two different fields to act as a key - Then you must go for Alternate keys as suggested by Mike.

Thanks,
Phantom
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babun
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Joined: 03 Aug 2005
Posts: 19
Topics: 9
Location: bangalore
PostPosted: Sun Dec 18, 2005 9:57 am    Post subject: Reply with quote
Hi Phantom
my requirement is the first one...which i need exactly the same which you send
Thanks phantom
Regard's
babu
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