Answer / jynthe

A cluster can be thought of as a logical dataset consisting
of two separate physical datasets namely data component and
index component
Data component contains the actual data, and the index
component contains the index(ie) the key values which we
have set.
anybody can darely take this as an answer. i m very sure

Answer / guest

A cluster is the combination of the index, sequence set and
data portions of the dataset. The operating system gives
program access to the cluster, ie. to all parts of the
dataset simultaneously.

Alt key is used for what type of vsam file

3 Answers  

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to use the rewrite command, how should the vsam file be opened?

0 Answers   IBM,

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How do you load a VSAM data set with records ?

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How are records stored in an ESDS, entry sequenced dataset?

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what is freespace

2 Answers   EDS,

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I have three fields in a Variable VSAM file X(2) Y(10) occurs X times Z(02) Say for the first record X=2 then the length of the file is 2+(10*3)+2=34 second record, x=4 then 4+(10*4)+2=46 If any time if the field x is updated then the total length changes. Is it feasible? Is it

2 Answers  

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What is the Difference between LDS & ESDS ?

3 Answers  

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what is the RRN for the first record in RRDS?

2 Answers  

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