Answer / guest

Value of 2 for cross region means that the file can be
processed simultaneously by multiple users provided only one
of them is an updater. Value of 3 for cross system means
that any number of jobs can process the file for input or
output (VSAM does nothing to ensure integrity).

name the utility program closely associated with vsam?

0 Answers   IBM,

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What is Control Interval, Control Area ?

1 Answers   L&T,

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Hi, I want to create alternate index on VSAM file.my file structure is ex: RoomID pic x(7) R000001 Floor pic a((6) First RoomNo pic x(2) FA1 Occupied(yes/no) pic a(3) Yes Occupied Batch pic x(10). Maths i want to create alternate index on floor,roomno fields.can i create alternate index on both the fields.and tell me how to create.

1 Answers  

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How did you refresh a VSAM file and how frequently you do it ?

3 Answers   CSC, IBM, Patni, Xansa,

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In a KSDS file, key is missing for one record. How to insert the key for that particular record from back up file. Is there any sorting needed for the back up file before the key insertion?

0 Answers   RBS,

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1. delete is not possible in esds. why? 2. i have 10 records in a esds file and i want to delete only 1st record ..then what i have to do?.. it will not affect any sequence of the RBA. 3. why open extend is not possible in rrds vsam file?

3 Answers  

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what is buffering and how does it apply to vsam files ?

0 Answers   IBM,

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what do you mean by recovery and speed parameters in define cluster command?

0 Answers   IBM,

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What is the procedure for running the batch job in mainframe?

1 Answers  

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what is the difference b/w sequential and ESDS

6 Answers   EDS, IBM, Maples,

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how to see the last records in vsam dataset??

1 Answers  

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Differentiate between control interval (ci) and control area (ca)?

0 Answers  

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