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List the different types of relationships in SQL.
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List the different types of relationships in SQL.
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Dec 9, 2020
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JackTerrance
List the different types of relationships in SQL.
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Dec 9, 2020
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JackTerrance
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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