What do you mean by RDW in VSAM?

Answers were Sorted based on User's Feedback



What do you mean by RDW in VSAM?..

Answer / vinod

RDW stands for Record Descriptor Word.This is the first 4
bytes in a VSAM - Variable Record Length file that stores
the actual length of the record. This is hidden if you
browse a VSAM file. In a VB file, realistically the record
startsfrom COL 5 and NOT COL 1 as you see when you browse
the file.

Is This Answer Correct ?    12 Yes 3 No

What do you mean by RDW in VSAM?..

Answer / e s hudders

VSAM does not use an RDW as control of the record lengths is handled by a cotrol area called an RDF which uis written at the end of the CI in VSAM after the CIDF that controls the free spae.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More VSAM Interview Questions

FREESPACE can be specified for which type of cluster? a.LDS b.RRDS c.ESDS d.KSDS

2 Answers  


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

0 Answers  


What is recovery parameters in define cluster command?

0 Answers  


Create syntax for a VSAM file ?

2 Answers   Xansa,


what will happen when you try to open an empty vsam file in a cobol program for input?

0 Answers   IBM,






What is the difference between sequential files and ESDS files?

1 Answers   IBM,


How many times secondary space allocated?

5 Answers  


Under IDCAMS , multiple functions can be executed, each of which returns a cond code. What will be the condition code returned to the operating system ?

1 Answers   IBM,


What are the different versions of gdg named?

0 Answers  


Differentiate between ci split and ca split?

0 Answers  


what is reuse parameter ?

3 Answers   Polaris, Xansa,


Alt key is used for what type of vsam file

3 Answers  


Categories