A relative record data set (RRDS) is a type of data set organization used by IBM's VSAM computer data storage system.
[1]: 5 Records are accessed based on their ordinal position in the file (relative record number, RRN).
[clarification needed] An RRDS consists of data records in sequence, with the record number indicating the record's logical position in the data set.
[1]: 29 A program can access records randomly using this positional number or access records sequentially.
This computer-storage-related article is a stub.