Istituto di Scienza e Tecnologie dell'Informazione     
Gasparotto G. A data entry system. Internal note IEI-B77-20, 1977.
This report describes the DATA ENTRY system which is the loading facility of the DEcision TAble RElational Language system (DETAREL). DETAREL is a generalized Data Base Manaqement System based on Codd's relational model of data. It is designed and implemented at the Istituto di Elaborazione dell'Informazione of the Italian National Research Council, and it is running on the HP 21MX minicomputer. DATA ENTRY system reads data, punched on cards with free format, in the form of n-ary relations, processes them according to the relational schema and stores them in the files managed the DETAREL.

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