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which one advanage 01 level or77 for declare elementary data

 
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veera
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Location: chennai

PostPosted: Sun Nov 28, 2004 6:36 pm    Post subject: which one advanage 01 level or77 for declare elementary data
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HELLO,
ANY ONE PLSE TELL ME
1. WHICH ONE IS ADVANTAGE FOR DECLARATION OF ELEMENTARYDATA ITEMS.

2. WHY U R DECLARE VAR CHAR IN 49 LEVEL ONLY.
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jz1b0c

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Joined: 25 Jan 2004
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Location: Toronto, Canada

PostPosted: Mon Nov 29, 2004 3:11 am    Post subject:
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Veera,

reg level 77 & 01.
This has no diff in MVS COBOL, VS COBOL II.

Inearlier versions of cobol.

if you declare an elimentary data item at level 01

01 ws-rec pic x(01).
01 ws-rec2 pic x(02).

in memory
xyyyyyyyyyyyyyyyyyyyyy (here y is blank nothing is stored in that).
xyyyyyyyyyyyyyyyyyyyyy

where as if its at level 77
77 ws-rec pic x(01)
77 ws-rec 2 pic x(01)
in memory
XX

you can observe that memory is being saved.

however there is no diff in MVS Cobol or VS Cobol II
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jz1b0c

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PostPosted: Mon Nov 29, 2004 3:12 am    Post subject: Re: which one advanage 01 level or77 for declare elementary
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veera wrote:
HELLO,
2. WHY U R DECLARE VAR CHAR IN 49 LEVEL ONLY.


I have ansered this earlier check db2 forum for this.

good day.
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veera
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PostPosted: Wed Dec 01, 2004 12:05 pm    Post subject: Re: which one advanage 01 level or77 for declare elementary
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[quote="jz1b0c"][quote="veera"]HELLO,
2. WHY U R DECLARE VAR CHAR IN 49 LEVEL ONLY.[/quote]

I have ansered this earlier check db2 forum for this.

good day.[/quote]

hello,
i am not cleared WHY U R DECLARE VAR CHAR IN 49 LEVEL ONLY
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