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
Data Engineer Interview Questions
20,981 data engineer interview questions shared by candidates
List the strings that are anagrams from a set of strings?
A lot of SQL questions. General knowledge about how you would handle large amounts of data.
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
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.
Come up a most efficient way to determine if a integer is odd or even.
SQL Question: Different SQL queries to find duplicates?
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?
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