Database 2.0

The ______ model represents data as a collection of tables.

The process of organizing data to reduce redundancy is called ______.

• A ______ key is a field in one table that links to the primary key in another table.

The process of converting an ER model into a relational model is called ______.

The language is used to define and manipulate data in a relational database.

A is used to visually represent entities and their relationships.

is a feature that allows multiple users to access the database simultaneously

A key that consists of two or more attributes is called a

In an ER diagram, an entity is represented by a

A integrity constraint ensures that foreign key values match primary key values.