Hey, been reading the board for a bit. First post. I'm having issues coming up with a SQL query that will provide the average admits for each day of the week. However, I can't for the life of me get ...
(product_id, start_date, end_date) is the primary key for this table. Each row of this table indicates the price of the product_id in the period from start_date to end_date. For each product_id there ...
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