[amp_mcq option1=”the relationship service bureau” option2=”a map of overall structure of a database.” option3=”a parent with no owners” option4=”two dimensional table E. None of the above” correct=”option2″]
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.