SQL (follow up) Now imagine that you have a user that is "always" accessing table A, but you need to move the changes (in 10000 rows) from the temp table into table A without the user being affected. How would you do that ?
Principal Data Engineer Interview Questions
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SQL Imagine you want to make some changes to table A, without actually changing table A. How do you do it ?
Python: Have you ever used a context manager ?
It wasn't the sort of interview you could characterise by listing questions. Each interview probed a different facet of the job (e.g. database knowledge, customer skills, coding, etc.). They were all disconnected: I had the impression I was interviewing for 8 different jobs.
What's the difference between the Star and Snowflake schema? How would you optimize a join in Spark using partitions?
Python webapp coding assignment with flash,docker,linux
A 1hr 30min technical assessment on hacker rank
tbl_products id, name, price 1,macbook air, 999 2,macbook air, 999 3,imac, 2000 4,iPhone 12, 999 5,iPhone 13, 1200 6,iPhone 13, 1200 Write an SQL query which will produce the following output output tbl_products(Output) id, name, price 2,macbook air, 999 3,imac, 2000 4,iPhone 12, 999 6,iPhone 13, 1200
General Problem Solving Input: Hi How are you ? Output: ? you are How Hi
Home assignment, git coding a
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