What is an SQL Join?
An example of an AI chatbot conversation about SQL joins and their types.
Can you explain what an SQL join is?
Sure! An SQL join is a way to combine rows from two or more tables based on a related column between them.
What are the different types of SQL joins?
The main types of SQL joins are INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
Can you give me an example of an INNER JOIN?
Of course! An INNER JOIN returns records that have matching values in both tables. For example, if you have a 'Customers' table and an 'Orders' table, an INNER JOIN on 'CustomerID' will return only the customers who have placed orders.
What about a LEFT JOIN?
A LEFT JOIN returns all records from the left table and the matched records from the right table. If there's no match, NULL values are returned for columns from the right table.
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