Posted On: Mar 28, 2020
To maintain all the records and the dataset, record management is used. There are few organizations within VSAM that perform these activities.
KSDS is key-sequenced data set that stores data in a sequence with reference to the keyword.
RRDS is a fixed-length relative record database that keeps all the records with a fixed length.
VRRDS is a variable-length relative record database and it stores data records of various lengths.
LDS is a linear dataset and this stores data in a linear way with reference to the keyword.
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