HP Integrity NonStop J-Series - Manual (Page 54)

DEVELOPING A DATA BASE
Listing the Data Items
-----------------------------------------------------------------
| |
| EMPLOYEE Each employee for which the personnel |
| department is responsible. |
| |
| DEPENDENTS The dependents of these employees. |
| |
-----------------------------------------------------------------
Figure 3-1. Classes of Information
Listing the Data Items
A study of the information flow yields the list of data items
shown in Figure 3-2.
-----------------------------------------------------------------
| |
| EMPLOYEE |
| |
| empnum A unique identifying number |
| empname The name of the employee |
| regnum A number that identifies the region in |
| which the employee works |
| branchnum A number that identifies the branch for |
| which the employee works |
| job The job title of the employee |
| age The employee's age |
| salary The employee's current monthly salary |
| vacation The number of vacation days accrued by |
| the employee |
| DEPENDENTS |
| |
| emp-no The identification number of an employee |
| empname The name of the employee |
| branchnum The branch number of the employee |
| regnum The region number of the employee |
| dependent-name ... The name of a dependent |
| relationship ... The relationship between the dependent |
| and the employee |
| dependent-age ... The dependent's age |
| |
| The symbol (...) indicates that a data item may be repeated. |
| |
-----------------------------------------------------------------
Figure 3-2. List of Data Items
3-3