A software routine that is part of the operating system or network control program which performs the storing/retrieving or transmitting/receiving of data. The access method is also responsible for ...

Note: Before using sequential engines, read the information about sequential data libraries in SAS Language Reference: Dictionary. Reading and Writing SAS Files on Tape You can write SAS files ...

Organizing data in a prescribed ascending or descending sequence. Searching sequential data requires reading and comparing each record, starting from the top or bottom of file. See GSAM. THIS ...