In first round: Joins, rank
Etl Tester Interview Questions
192 etl tester interview questions shared by candidates
tool specific questions
Create a table, enter data and perform joining and other thing.
Tell me about yourself and project
1st round is client round real time scenarios they asked and sql quations like stored procedures , indexing, joins and set operators and dwh concepts , etl process and roles and responsibilities and bug areporting
SQL queries testing basics unix aptitude
few ETL concepts and SQL queries
Case vs decode Scd 1 scd 2 How to test old loaded data in DW which is not present in source Join condition on null, empty and duplicate
correlated subqueries
how to find duplicate records
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