The term scheme means A. the relationship service bureau B. a map of overall structure of a database. C. a parent with no owners D. two dimensional table E. None of the above

The correct answer is: B. a map of overall structure of a database.

A database scheme is a logical description of the database, including the tables, columns, and relationships between them. It is used to define the structure of the database and to create the database objects.

A relationship service bureau is a company that provides database management services to other companies.

A parent with no owners is a parent node in a hierarchical database that does not have any child nodes.

A two dimensional table is a table that has two dimensions, rows and columns.

None of the above is a correct answer to the question.