Grade

idname
1Junior
2Middle
3Senior

Department

iddepartmentName
1IT
2Finance
3Human Resources

Position

idpositionName
1Manager
2Engineer
3Specialist

Employee

idfirstNamelastNamegradeIddepartmentIdpositionId
(→ Grade.id)(→ Department.id)(→ Position.id)
1JohnSmith112
2JaneDoe213
3BobBuilder321
4AliceWonderland132
5CharlieBrown231

Software_Developer

idemployeeIdexperienceprogrammingLanguagestoolsUsed
(→ Employee.id)
445Kotlin, Rust, ScalaAndroid Studio, Vim
557Perl, Objective-C, FortranEmacs, Xcode

Data_Analyst

idemployeeIdexperienceanalyticalToolsdataSources
(→ Employee.id)
115R, SAS, ExcelSQL Server, MySQL, Oracle
229Matlab, Stata, SPSSSAP HANA, Teradata, MongoDB
337Tableau, PowerBI, QlikViewGoogle Analytics, Adobe Analytics, Salesforce