Different types of joins and examples
Etl Engineer Interview Questions
1,579 etl engineer interview questions shared by candidates
Duplicate check, null check , primary key
Employee tables and salary tables. Fetch it according to row number. Highest salary etc.
What is staging layer ?
Sql based queries complexity is medium to high
All related to SQL queries
difference between test strategy and test plan bug and defect retest and regression smoke and sanity testing
Technical questions, some scenarios of Informatica and Oracle.
Questions on UML diagrams
Left outer join with constrain on right table, how it will behave.
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