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MAINFRAME - TIP OF THE DAY : When you use COUNT operator to set a return code of 12 or 4 if a specified data set is EMPTY, NOTEMPTY, HIGHER(n), LOWER(n), EQUAL(n) or NOTEQUAL(n). where n is a specified number of records. If you use the RC4 operand, SORT sets RC=4; otherwise it sets RC=12. E.g. COUNT FROM(IN) EMPTY

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why we call vsam as virtual storage acces method?

 
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sandip kumar mondal
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PostPosted: Fri Dec 17, 2010 10:38 pm    Post subject: why we call vsam as virtual storage acces method? Reply with quote

in vsam data set how virtual storage technique is used??
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dbzTHEdinosauer
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PostPosted: Mon Dec 20, 2010 12:31 pm    Post subject: Reply with quote

and a manual for this question:
VSAM Demystified
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JCL, SQL and code in programs have an irritating habit of doing what you say,
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