How to count the records in COBOL data file?what will happen if the file open in extent mode and corresponding is equal to OLD in jcl?by opening an empty vsam file in i/o wii get file status 35 how can you over come this ?
When calculating the record size for Alternate index(with duplicates) we use ==> AIX LENGTH+ 5 + ( n * PRIMARY KEY LENGTH ) Here "n" is the no.of duplicates we want to have. I don't understand this "n" .. how can we decide that no. of duplicates???
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