(19)
(11) EP 0 846 299 A1

(12)

(43) Date of publication:
10.06.1998 Bulletin 1998/24

(21) Application number: 96928204.0

(22) Date of filing: 15.08.1996
(51) International Patent Classification (IPC): 
G06F 17/ 30( . )
(86) International application number:
PCT/US1996/013284
(87) International publication number:
WO 1997/007470 (27.02.1997 Gazette 1997/10)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 17.08.1995 US 19950516446

(71) Applicant: Wall Data Incorporated
Kirkland, Washington 98034-6931 (US)

(72) Inventors:
  • OLDS, Christopher, C.
    Seattle, WA 98117 (US)
  • KROENKE, David, M.
    Seattle, WA 98102 (US)
  • GORDON, Matthew, C.
    Seattle, WA 98115 (US)
  • STANFORD, Cathryn, A.
    Seattle, WA 98103 (US)
  • KAWAI, Kenji
    Seattle, WA 98115 (US)
  • LI, Jing
    Seattle, WA 98115 (US)
  • MILLER, Michael, D.
    Seattle, WA 98133 (US)
  • CAI, Zhiya
    Issaquah, WA 98027 (US)

(74) Representative: Spall, Christopher John 
BARKER, BRETTELL & DUNCAN 138 Hagley Road
Edgbaston Birmingham B16 9PW
Edgbaston Birmingham B16 9PW (GB)

   


(54) METHOD AND APPARATUS FOR STORING AND RETRIEVING DATA IN A RELATIONAL DATABASE USING AN OBJECT MODEL