1) What is cluster ?
A cluster is the collection os physical datasets that make up one logical dataset.
2) What is Relative Byte Address ?
The RBA of a record is its displacement from the begining of data set.
3) What is Index ?
Locate the exact Information.
4) What is Control Interval ?
VSAM groups individual Data records in to larger units of storage. These units of storage are called Control Intervals.
5) What is Free Space ?
The Space between the Records and the control information is free space.
6) What is Spanned Records in Mainframe?
Records which are split between control intervals are called spanned records.
7) What is Access Method ?
Access Methods are ways to maximize the effiency of data storage and retrieval.
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