-- 1. What is the total amount each customer spent at the restaurant? '''sql SELECT t1.customer_id, SUM(t2.price) AS total_spent FROM dannys_diner.sales AS t1 JOIN dannys_diner.menu AS t2 ON ...
Conducted advanced SQL queries on ZAGI Access and Pine Valley Furniture Company databases, leveraging SELECT statements, JOINs, subqueries, aggregations, and filtering for DQL analysis of product, ...
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