Data Modelling Interview Questions
For Freshers to Experienced
What is granularity?
Explain snowflake schema database design.
Differentiate between OLTP and OLAP.
What is a data mart?
What is the significance of metadata?
What are the phases in the data modelling development cycle?
How can you relate CAP Theorem to database design?
How can you perform reverse engineering in data modelling?
What is the importance of the third normal form?
What will happen if we try inserting two nulls in a column having a unique constraint on it?
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