What is the difference between CI( Control Interval)and CA
(Control Area)?
Answer Posted / kalyan rakesh
VSAM groups logical records into blocks called control
interval.
control intervals are inturn grouped into control areas.
A control interval consists of 1)data records
2)free space
3)unused space
4)control information of
a)RDF
b)CIDF
collection of adjacent CI s is CA.
Is This Answer Correct ? | 15 Yes | 0 No |
Post New Answer View All Answers
what is the use of the file status clause in the select statement in vsam?
is delete operation supported in an esds? Is rewrite operation possible in esds?
how do you define an altindx ? How do you use altindxs in batch, cics programs?
what do you mean by a vsam slot?
Why is it required to have a keyed directed retrieval?
how do you create an alternate index ?
what parameter in the define aix option is used to determine the maximum number of duplicate keys allowable ?
Using alternate indexes in cics program?
How to get the last record in vsam file in cluster?
what is a base cluster in vsam?
What is the purpose of having vsam data space?
we can define the ksds cluster by two ways by using the file-aid or by using the idcams utility. Explain them.
What is control area?
What is the main function of key sequenced data set in vsam?
Explain the catalog?