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Have you worked with databases? What level of complexity queries did you write? Did you use JOIN?
sobes.tech AI
Answer from AI
Yes, I have worked with databases, writing queries of varying complexity — from simple SELECT statements with filtering to complex queries with multiple JOINs, subqueries, and aggregations.
I used JOIN to combine data from several tables, for example, to get information about users along with their orders or profile details. Here's a simple example of using INNER JOIN:
SELECT users.name, orders.order_date
FROM users
JOIN orders ON users.id = orders.user_id
WHERE orders.status = 'completed';
This approach allows for efficient retrieval of related data from different tables.