Software_Developers

idnameexperienceskillsgrade
1John Doe3Python, Java, C++Middle
2Jane Smith6JavaScript, PHP, RubyHigh

Data_Analysts

idnameexperiencetoolsgrade
1Alice Johnson4Excel, Tableau, RMiddle
2Bob Brown7SQL, SAS, PythonAdvanced

Companies

idnamelocationsize
1TechCorpNew YorkLarge
2Startup Inc.San FranciscoSmall

Projects

iddescriptionstartDateendDatecompanyId
(→ Companies.id)
1Web Application Development2021-08-012021-12-311
2Mobile App Design2021-09-012021-12-312

Developers_Projects

developerIdprojectId
(→ Software_Developers.id)(→ Projects.id)
11
22

Analysts_Projects

analystIdprojectId
(→ Data_Analysts.id)(→ Projects.id)
11
22