| 摘要 |
<p>With a retrieval key to specify a category included in information data, the information data is updated by accepting an entry of an updating file which contains updating information data for updating the information data subject to update; extracting the information data subject to update from an information data frame; updating the extracted information data with the updating information data contained in the updating file: extracting pertinent data in the category specified by the retrieval key contained in the information data subject to update from a pertinent data frame; and updating the extracted pertinent data with the updating information data contained in the updating file.</p> |
