Database query DML, DDL JOINS, What will be output of given table if any type of joins used. Aggregate functions. Example of self join, what is self join.
Etl Developer Interview Questions
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HR Questions were asked in interview.
They give one example and ask to write queries "like", and, or and groupby, between etc
Conceptual design question to which there is not black and white answer.
How will you implement scd-2 flow?
If session is taking longer than usual then what will you do?
Asked abut basic SQL: joins, functions, group by and so on. Also about basic DWH approaches like Inmann, Kimball, Data Vault.
they asked me techincal interviw questions
SCD mappings
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