---                                
Objects:                           
   - Employee:                     
       fields:                     
          emp_id:    int           
          name:      string[40]    
          dept_id:   Department    
          salary:    double        
       key: emp_id                 
                                   
   - Department:                   
       fields:                     
          dept_id:   int           
          name:      string[20]    
       key: dept_id                
                                   
Relationships:                     
   -                               
      - Owner:                     
          name:  Department        
          count: 1                 
      - Contains:                  
          name: Employee           
          count: many