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Relationships in Databases: One-to-One, One-to-Many, and Many-to-Many
- Relationships in databases describe how data in different tables are connected.
- There are three types of relationships: one-to-one, one-to-many, and many-to-many.
- A one-to-one relationship links each record in Table A to exactly one record in Table B.
- A one-to-many relationship allows one record in Table A to be linked to multiple records in Table B and vice versa.
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