Hp Integrity NonStop J-Series Manuel d'utilisateur télécharger pdf (Page 54)

DEVELOPING A DATA BASE

Listing the Data Items

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| |

| EMPLOYEE Each employee for which the personnel |

| department is responsible. |

| |

| DEPENDENTS The dependents of these employees. |

| |

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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.

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| |

| 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. |

| |

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Figure 3-2. List of Data Items

3-3

1 2 ... 49 50 51 52 53 54 55 56 57 58 59 ... 361 362

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Hp Integrity NonStop J-Series Manuel d'utilisateur Page 54

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