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Mock_SQL2 Done #20

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8f8482c
Create Customers_who_Bought_All_Products
itsAbilash Jan 27, 2025
442c72a
Rename Customers_who_Bought_All_Products to Customers_who_Bought_All_…
itsAbilash Jan 27, 2025
b92c6b0
Create Product_Sales_Analysis_III.txt
itsAbilash Jan 27, 2025
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2 changes: 2 additions & 0 deletions Customers_who_Bought_All_Products.txt
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select customer_id from customer group by customer_id
having count(distinct product_key) = (select count(*) from product)
2 changes: 2 additions & 0 deletions Product_Sales_Analysis_III.txt
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with cte as (select product_id,year,quantity,price, rank() over(partition by product_id order by year) as rnk from sales)
select product_id, year as first_year, quantity, price from cte where rnk = 1;