Conceptual schema language I(ID:4121/con004)


Siemens 1977


Related languages
Conceptual schema language I => Conceptual schema language II   Evolution of

References:
  • Breutmann B and Mauer R "Conceptual schema language I & II" From Siemens AG - ZT FL INF Muenchen (1980) view details
  • Meersman, R., "The high-level end user", Starlab Report 1982 view details pdf Abstract: A rapid development is taking place in the area of database query languages and relevant aspects of a query language are considered. The classification of query languages, according to certain criteria, is discussed. Reference and Idea Language (RIDL) from Control Data is examined in detail and its role as a semantic network language is assessed in relation to a database containing information of aircraft
    types. IBM's Structural English Query Language (SQL), developed for use on a relational DBMS, is also examined and compared with RIDL. Conceptual and usage differences are discussed and similarities assessed.