What are the different types of relationships in SQL databases?
An example of an AI chatbot conversation about SQL database relationships and their types.
What are the different types of relationships in SQL databases?
In SQL databases, there are three main types of relationships: one-to-one, one-to-many, and many-to-many.
Can you explain one-to-many relationships with an example?
Sure! In a one-to-many relationship, one record in a table can be associated with multiple records in another table. For example, a single customer can have multiple orders.
How does a many-to-many relationship work?
A many-to-many relationship occurs when multiple records in one table are related to multiple records in another table. This is typically managed using a junction table.
What is a junction table?
A junction table is a table that links two tables together in a many-to-many relationship, containing foreign keys from both tables.
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