1. A database access system comprising a database implementation section of a database implementation language and a data manipulation section of a data manipulation language different from said database implementation language, said database implementation section having a database which is accessed from said data manipulation section, wherein: said data manipulation section comprises: first means for specifying an object name as a specific object name in said data manipulation language on accessing a specific one of objects in said database; said database implementation section comprising: an object descriptor table for managing object descriptors; second means for retrieving said object descriptor table in accordance with said specific object name in said database implementation language to judge whether or not a specific one of said object descriptors exists in said object descriptor table; third means for supplying said specific object descriptor to said data manipulation section when said specific object descriptor exists in said object descriptor table; and fourth means for retrieving said database in accordance with said specific object name to obtain a specific object from said database when said specific object descriptor does not exist in said object descriptor table, said fourth means registering information of said specific object as said specific object descriptor and supplying said specific object descriptor to said data manipulation section.
6. A database access system as claimed in claim 1, wherein said data manipulation section further comprises converting means for carrying out interconversion between said data manipulation language and said database implementation language.