Definition: dataset

(1) For the Commodore 64 tape cassette, see datasette.

(2) In the AI world, a dataset refers to the collection of training examples. See AI training.

(3) In earlier AT&T terminology, a dataset was a telephone modem. See modem.

(4) A collection of related data. Originating in the mainframe community, the term dataset is used as a generic description of a file or database, the latter often referring to multiple datasets (multiple tables) related in some manner, typically by name or account number.

In practice, the term dataset is used very loosely. A dataset, also spelled "data set," may refer to a single file or collection of files and not necessarily to a true database system. See DBMS, database and file.