How to Solve Product Price at a Given Date Problem
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Product Price at a Given Date
Table: Products +---------------+---------+ | Column Name | Type | +---------------+---------+ | product_id | int | | new_price | int | | change_date | date | +---------------...
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Understanding the Product Price at a Given Date Problem
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Problem Statement
Table: Products +---------------+---------+ | Column Name | Type | +---------------+---------+ | product_id | int | | new_price | int | | change_date | date | +---------------+---------+ (product_id, change_date) is the primary key (combination of columns with unique values) of this table. Each row of this table indicates that the price of some product was changed to a new price at some date. Initially, all products have price 10. Write a solution to find the prices of all products on the date 2019-08-16. Return the result table in any order. The result format is in the following example.
Product Price at a Given Date
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