Question: What are the 4 data entities and the primary keys? RptNum 1109 Date Entered Key Word Machine ID Mach Description Plant Department Location I/11/04 GENI6

What are the 4 data entities and the primary keys?

RptNum 1109 Date Entered Key Word Machine ID Mach Description Plant Department Location I/11/04 GENI6 Generator 16 North 4405 B-54 Completed Date Downtime Hours 11/14/04 Problem Description Generator refuses to start Work Performed Date Description Hou 11/14/04 Replace starter lug Total Hrs

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