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)
113Python, Java, C++Eclipse, IntelliJ
226JavaScript, Ruby, SwiftSublime Text, Atom
338C#, PHP, GoVisual Studio Code, PhpStorm
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
444Pandas, NumPy, SciPyPostgreSQL, MariaDB, Cassandra
556TensorFlow, PyTorch, KerasAmazon SageMaker, Google Cloud ML, Microsoft Azure ML