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Graphics Interchange Format  |  2000-01-03  |  28.9 KB  |  423x293  |  4-bit (16 colors)
   ocr: - Figure 1.ALogical Persistence Model Person scentity>> Hname: : String <<candidate key>> taddress: String <candidatel keyxa Residentialcustomer <<entity>> *socialsecuntyNumber - String <<candidate Key>> ckel tnotes: String CustomerlD:String <<candidate key> Ck=2) +customerType: - String <<candidate key>> CK-2)