The number of entity classes in a relationship is know as the relationships:

In Hierarchical database model _______ are used to relate parent and children

A database is an organized collection of ______ related data

Which of the following types of data can be stored in a database ?

In a database system ,all the application data is stored in a single facility called the :

When more than one attribute is used to determine unique types within a table , it is called a :

What element of a database is a collection of data in rows and columns?

The component of a database that makes is self –describing is the :

The _______ contains data descriptions and defines the name ,data type, and length of each field in the database

These are "one piece" of data.