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Graphics Interchange Format  |  1998-02-10  |  27.8 KB  |  511x206  |  4-bit (16 colors)
   ocr: PERSON Marriage SSN Marriage ld married to/spouse of FirstName (AK1) Female, SSN (FKY(AK1) Last Name (AK1) Male, SSN (FK(AK2) married to/spousa of Birth Date (AK1) Start Date (AK1. AK2) Gender End Dater Religion Figure 7: : Two unique keys, one for the male and ane tor the temaie. to constrain getting married twice on the same day.