Answer Posted / nagendra rampuria

with evry descriptor inverted list is associated which
tells about all the values of the descriptor with their
counts and the ISNs of the records.

Address convertor is associated with an adabas file whic
tells the block number of an ISN

Datastorage has all the blocks which contains the record.

How can we see the copy book length using file-aid?

913

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What is the difference between read work file 1 and read work file once? Why we are using work file once?

932

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Can we see the copy book length using file-aid?

863

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What is cobol coding sheet?

1154

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Explain difference between read work file 1 and read work file once? Why we are using work file once?

919

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Explain how are you going to remove duplicates from the file that is being read?

967

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What is the difference between read(1) and read work file once?

975

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In a Natural program i used the below code for report FORMAT LS=132 PS=60 And down the line I want to change either LS/PS like FORMAT LS=120 PS=50, is it possible? How it will work?

1852

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Explain difference between escape(top or bottom) and escape immediate(top or bottom?

1094

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Explain how to find occurrence of mu and pe fields in a file?

882

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Explain control variable in online screens?

954

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Explain adabas basic concepts. Like inverted list, address converter ,data storage?

942

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Explain why do we use file-aid for seqential files?

1020

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How to create 1 ddm that fetches 3 adabas files simultaneously?

880

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Explain how many work file we can code in jcl?

933

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