Relative record data set
A Relative Record Data Set (RRDS) is a type of data set used by the VSAM computer data storage system. Records are accessed based on their ordinal position in the file. For example, the desired record to be accessed might be the 42nd record in the file out of 999 total.
The concept of RRDS is similar to sequential access method, but it can access with data in randaom access and dynamic access.
Structure
Physical structure of RRDS is described that it has data record in sequential. Its logical structure follows Physical one of it. One record stands after Previous records like some people stand in line.
See also
References
- http://www.auditmypc.com/acronym/RRDS.asp
- http://www.jaymoseley.com/hercules/vstutor/vstutor.htm
- http://www.mvsforums.com/techfaqsvsam.html
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