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Unformatted text preview: nulls. 5. TABLE REFERENTIAL INTEGRITY EXPLANATION EMPLOYEE Yes Each JOB_CODE value in EMPLOYEE points to an existing JOB_CODE value in JOB. BENEFIT Yes Each EMP_CODE value in BENEFIT points to an existing EMP_CODE value in EMPLOYEE and each PLAN_CODE value in BENEFIT points to an existing PLAN_CODE value in PLAN. JOB NA PLAN NA 6. 7....
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- Spring '07