SQL for Java Devs · interview question

In JDBC, how can you efficiently retrieve a list of orders with their associated customer names using SQL?

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SELECT * FROM orders, customersSELECT orders.id, customers.name FROM orders JOIN customers ON orders.customer_id = customers.idSELECT * FROM orders JOIN customersSELECT * FROM orders

Answer and explanation

Correct answer

B. SELECT orders.id, customers.name FROM orders JOIN customers ON orders.customer_id = customers.id

Why

The correct SQL query uses a JOIN with an ON clause to match orders with their associated customers using the foreign key relationship.

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In JDBC, how can you efficiently retrieve a list of orders with their associated customer names using SQL?

Correct answer

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