Operating_System_Knowledge

IDOS_Name
1Windows
2Linux

IT_Support_Technician

IDNameContact_EmailPhone_NumberHire_DateOperating_System_ID
(→ Operating_System_Knowledge.ID)
1John Doejohn@example.com+1 (123) 456-78902020-01-011
2Jane Smithjane@example.com+1 (123) 456-78902020-01-012

Network_Administrator

IDNameContact_EmailPhone_NumberHire_DateOperating_System_ID
(→ Operating_System_Knowledge.ID)
1Mike Johnsonmike@example.com+1 (123) 456-78902020-01-011
2Emily Davisemily@example.com+1 (123) 456-78902020-01-012

Employee

IDFirst_NameLast_NamePositionSalaryJoining_Date
1AliceSmithSoftware Engineer750002019-06-01
2BobWilliamsData Analyst650002019-05-01
3CarolJohnsonProduct Manager850002019-07-01
4DavidBrownUI/UX Designer600002019-08-01
5EveJonesQA Tester550002019-09-01