List the different types of relationships in SQL.

1.	List the different types of relationships in SQL.
Answer» One-to-One - This can be defined as the RELATIONSHIP between two tables where each record in one table is ASSOCIATED with the MAXIMUM of one record in the other table. One-to-Many & Many-to-One - This is the most commonly used relationship where a record in a table is associated with multiple records in the other table. Many-to-Many - This is used in cases when multiple instances on both sides are needed for defining a relationship. Self-Referencing Relationships - This is used when a table NEEDS to define a relationship with itself.

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