Discuss record management in VSAM.

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.