What is relation in MySQL explain with example?

What is relation in mysql with example?

A one-to-many relationship is the most common one between tables in databases. Finally, a relationship is many-to-many if multiple items in Table A can apply to multiple items in Table B. For example, a record album can contain songs by multiple artists and artists can make multiple albums.

What is relation in database with example?

In relational databases, a relationship exists between two tables when one of them has a foreign key that references the primary key of the other table. This single fact allows relational databases to split and store data in different tables, yet still link the disparate data items together.

What is a relation in SQL?

In SQL, a relation is a bag of objects that all share the same characteristics: a list of attributes with a known given data type. We name those objects tuples in SQL. An object with three attributes can be named a triple, an object with four attributes a quadruple, with six attributes a sextuple, etc.

What does relation mean in database?

Database relationships are associations between tables that are created using join statements to retrieve data.