what is a factless fact table
Data Modeler Interview Questions
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Able to work Cross functional
Then I had to give details about each required competency and how I have them with clear examples.
What is your expected salary?
What other companies have you applied for?
How much percentage of your time do you like to work with computers
Tell me about the choice you had to make to decide on your career starting from higher secondary level!
Competency based on previous experience
What is the difference between conceptual, logical, and physical data models? Explain normalization vs denormalization with examples. Types of relationships (1:1, 1:N, M:N) and how to model them. What are slowly changing dimensions (SCDs) in dimensional modeling? Star schema vs snowflake schema. What is a surrogate key vs natural key?
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