Calculating percentage of sales percentage of non dat and regular products Calculating percentage of sales that matched the start date and end date of the promotion Fill the none values in a list with the previous non none value
Data Engineer Interview Questions
20,163 data engineer interview questions shared by candidates
try to get a pattern out of string or json. ask you to translate numbers from 1 to 100 to names of numbers ( for example 34 translated to thirty-four). you need to come with a solution within 10 seconds, I am able to get it done within 2 minutes. That's not fast enough.
sql and python are practically the same as the ones you get as practice questions in the meta career site.
gave few columns, asked to design a model and based on the model 3/4 sql questions were asked
2) create daily revenue report between given start_date and end_date output schema: (order_date, number_of_customers, number_of_orders, daily_total_order_amount, mtd_order_amount) mtd_order_amount - total order_amt from the beginning of the month till order_date
Come up a most efficient way to determine if a integer is odd or even.
all question were just basic but sometimes the basic questions can be tricky like why we use main function in java ? why it is public? run program without main?
Parlez nous de vos motivations
Write a query to retrieve duplicate records from a table?
What is 4 post in the data center?
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