“…The relational model lends itself more easily to the QBEtrable based visualisation, which semantic data models are more easily visualised using a schema diagram approach. (Zloof, 1992) Pasta 3 (Kuntz & Melchort ,1989) CUPID (MacDonald & Stonebraker, 1975) STBE (Ozsoyoglu eta!, 1989) SBA (Zloof & delong. 1985) G-Whiz (Heiler & Roseenthal, 1985) ABE (Kiug, 1981) Vista (Sawyer et al 1992) OBE (Whang, 1987) GQBE (Jacobs & Walczak, 1983) GRADI (Kiem and Lum, 1992) GRAPH BASED CQL (Kari et al, 1990) GUIDE (Wong & Kuo, 1982) OdeView (Agrawal et al, 1990) LID (Fogg, 1984) Good (Gemis et al, 1992 Isis (Goldman et al, 1985) Hy+ (Consens & Mendelzon, 1993) SNAP (Bryce & Hull, 1985) Tioga (Stonebraker et al, 1994) QBD (Angelaccio et al 1990) KiView (Motro et al, 1988) The 1990s have seen an emergence of user interfaces that use three dimensional graphics as the center of the design.…”