MISSING VALUE Interview Questions

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First round was online test which contains 75 aptitude,reasoning and english questions and 5 programs you have to execute either in c++ or java.Online test is conducted by deselect.this pattern is similar to the amcat pattern.
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Software Engineer

Interviewed at Carelon Global Solutions

3.8
Sep 25, 2018

First round was online test which contains 75 aptitude,reasoning and english questions and 5 programs you have to execute either in c++ or java.Online test is conducted by deselect.this pattern is similar to the amcat pattern.

products sales +------------------+---------+ +------------------+---------+ | product_id | int |------->| product_id | int | | product_class_id | int | +---->| store_id | int | | brand_name | varchar | | +->| customer_id | int | | product_name | varchar | | | | promotion_id | int | | price | int | | | | store_sales | decimal | +------------------+---------+ | | | store_cost | decimal | | | | units_sold | decimal | | | | transaction_date | date | | | +------------------+---------+ | | stores | | customers +-------------------+---------+ | | +---------------------+---------+ | store_id | int |-+ +--| customer_id | int | | type | varchar | | first_name | varchar | | name | varchar | | last_name | varchar | | state | varchar | | state | varchar | | first_opened_date | datetime| | birthdate | date | | last_remodel_date | datetime| | education | varchar | | area_sqft | int | | gender | varchar | +-------------------+---------+ | date_account_opened | date | +---------------------+---------+ Question 1: What brands have an average price above $3 and contain at least 2 different products? Question 2: To improve sales, the marketing department runs various types of promotions. The marketing manager would like to analyze the effectiveness of these promotion campaigns. In particular, what percent of our sales transactions had a valid promotion applied? Question 3: We want to run a new promotion for our most successful category of products (we call these categories “product classes”). Can you find out what are the top 3 selling product classes by total sales? Question 4: We are considering running a promo across brands. We want to target customers who have bought products from two specific brands. Can you find out which customers have bought products from both the “Fort West" and the "Golden" brands?
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Data Engineer

Interviewed at Meta

3.5
May 22, 2020

products sales +------------------+---------+ +------------------+---------+ | product_id | int |------->| product_id | int | | product_class_id | int | +---->| store_id | int | | brand_name | varchar | | +->| customer_id | int | | product_name | varchar | | | | promotion_id | int | | price | int | | | | store_sales | decimal | +------------------+---------+ | | | store_cost | decimal | | | | units_sold | decimal | | | | transaction_date | date | | | +------------------+---------+ | | stores | | customers +-------------------+---------+ | | +---------------------+---------+ | store_id | int |-+ +--| customer_id | int | | type | varchar | | first_name | varchar | | name | varchar | | last_name | varchar | | state | varchar | | state | varchar | | first_opened_date | datetime| | birthdate | date | | last_remodel_date | datetime| | education | varchar | | area_sqft | int | | gender | varchar | +-------------------+---------+ | date_account_opened | date | +---------------------+---------+ Question 1: What brands have an average price above $3 and contain at least 2 different products? Question 2: To improve sales, the marketing department runs various types of promotions. The marketing manager would like to analyze the effectiveness of these promotion campaigns. In particular, what percent of our sales transactions had a valid promotion applied? Question 3: We want to run a new promotion for our most successful category of products (we call these categories “product classes”). Can you find out what are the top 3 selling product classes by total sales? Question 4: We are considering running a promo across brands. We want to target customers who have bought products from two specific brands. Can you find out which customers have bought products from both the “Fort West" and the "Golden" brands?

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