What are the 3 types of relationships in a database?

What is relationship in database and its types?

Relational DatabaseDatabaseStored data can be accessed from the relational database because there is a relationship between the tables and their attributes.There is no relationship between data value or tables stored in files.

What are the relationships in database?

Database relationships are associations between tables that are created using join statements to retrieve data. The following table describes the database relationships. Both tables can have only one record on each side of the relationship. Each primary key value relates to none or only one record in the related table.

What is a relationship and what three types of relationships exist?

A relationship describes association among entities. For example, a relationship exists between customers and an agent, in that an agent can serve many customers and each customer may be served by only one agent. Data Models use three types of relationships: one-to-many, many-to-many, and one-to-one.