What do you mean by RDW in VSAM?
Answers were Sorted based on User's Feedback
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 |
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 |
what do you mean by idcams? Explain its purpose?
By looking into JCL can we identify the dataset is VSAM (VSAM dataset supposed to be a input dataset).In this scenerio how will we identify the dataset is VSAM ?
5 Answers Cognizant, EDS, Shridhar,
what is the use of the file status clause in the select statement in vsam?
How is record management performed in vsam?
Differentiate between control interval (ci) and control area (ca)?
what is the RRN for the first record in RRDS?
What is the purpose of relative record data set used in vsam?
how can you copy to a vsam cluster?
what is the use of aix in vsam why do we go for aix and wht is build index in vsam?
What is VERIFY command ? when do you use this command?? What actually it does ??
explain the differences between vsam and non-vsam files
What is the function of linear dataset in vsam?