indexed sequential access method

Computing Dictionary

Indexed Sequential Access Method definition

database
(ISAM) An IBM file management system allowing records to be accessed either sequentially (in the order they were entered) or via an index. Each index orders the records on a different key.
ISAM was followed by VSAM (Virtual Storage Access Method) and pre-dated relational databases.
(2003-07-13)

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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