erDiagram

  // Entities

  Employee {

    +EmployeeID (PK)

    Name

    Position

    // ... other attributes

  }

​

  JobPosting {

    +JobID (PK)

    Title

    Description

    // ... other attributes

  }

​

  PerformanceReview {

    +ReviewID (PK)

    Result

    Comments

    // ... other attributes

  }

​

  LeaveRequest {

    +RequestID (PK)

    StartDate

    EndDate

    Status

    // ... other attributes

  }

​

  AnalyticsReport {

    +ReportID (PK)

    Type

    Data

    // ... other attributes

  }

​

  // Relationships

  Employee --|{ Manages

  PerformanceReview --|{ Belongs to

  Employee --|{ Makes

  LeaveRequest --|{ Related to

  Employee --|{ Generates

  AnalyticsReport --|{ Relates to

  JobPosting --|{ Manages