Implement a sampling function with nominal distribution.
Data Engineer Interview Questions
20,280 data engineer interview questions shared by candidates
Why you are using your pipeline as it is why you are not a decision maker in your organization?
Draw a clock. What is the degree difference between the hour and minute hand if the time is 3:15?
SQL analytical queries. Python basic programming.
Write a query that returns percentage of unsold product_category.
Find common words in 2 sentences
phone screen for SQL: Give data model - solve various SQL questions Python: list and dict manipulation
What is the term used to select non duplicates in SQL?
Phone Interview: Intermediate level Python and SQL questions. 5 questions each for 30 minutes.
1. the ORDER BY command in SQL is automatically set in what format if you didn't set it? Ascending or Descending? Answer: Ascending 2. When you want to delete or add a column of a table in a database, what command you will use? Answer: ALTER 3. this question about about LEFT JOIN, they ask what command you want to use if you want to keep all the info of the left table? Answer: left join 4. You want to combine two column after removing two duplicates, use UNION or UNION ALL? Answer: UNION
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