Question

How many relations in DMBS / DBMS ​

Answer 1

Answer:

Three types

There are three types of relationships: One-to-one: Both tables can have only one record on either side of the relationship. Each primary key value relates to only one (or no) record in the related table.

Answer 2

Answer:

There are three types of relationships that can exist between two entities.

One-to-One Relationship.

One-to-One Relationship.One-to-Many or Many-to-One Relationship.

One-to-One Relationship.One-to-Many or Many-to-One Relationship.Many-to-Many Relationship.

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