関連ワード:  what is object oriented data model    what is object oriented data model in dbms    what is object oriented data model with example    what is object oriented database model    what is object oriented database model in dbms    what is object oriented database model with example    what is object based data model    what is object based data model in dbms    what is the difference between object oriented database model and a flat file    what is an advantage of the object oriented database model