| 摘要 |
<p>PURPOSE:To provide the system which can save the time and the labor for data base structure definition. CONSTITUTION:A selecting means 20 receives a schema description request 10 to allow an operator to select object description items in a menu form through a preliminarily provided display means. A retrieval means 30 refers to the address in a data storage area 55, which is held in a storage means 25, to retrieve schema standard form information having the format of a selected object description item from the data storage area 55 through a data storing means 50 and displays this information on the display means. An editing output means 60 stores schema edited information, which is edited based on schema standard form information, in the data storage area 55 through the data storing means 50.</p> |
