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hi everyone welcome to day 17 of my 50 days SQL Challenge Series where I solve data analyst and business analyst interview question for SQL today well be solving one of the data analyst interview question so lets see the question the question says write an SQL query to find the customers who made purchase in all product categories now we have one table which is the customers table we have customers ID and customer name and we have purchase table where we have purchase ID customers ID and the product category so your query should return the customers ID and the customer name of this customers lets see the data that we have inside the table so the first table that we have which is customers table we have the customer ID these are the customers ID these are the customers name that we have and lets see the purchase table in the purchase table we have purchase ID customers ID product category so we need to find out the customer details who has purchased in all the product category that
