SQL Server Data warehousing interview questions and answers

1. Define Data warehousing.
2. Describe Data Marts.
3. What is Fact table?
4. Describe ETL process
5. What is SNOW Flake Schema design?

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Answer - SQL Server uses the following steps to process a single SELECT statement....

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Answer - CREATE DEFAULT, CREATE PROCEDURE, CREATE RULE, CREATE TRIGGER, and CREATE VIEW statements....

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Answer - GO Command is used to signal the end of a batch.....

Question: What is the significance of NULL value and why should we avoid permitting null values?

Answer - Null means no entry has been made. It implies that the value is either unknown or undefined.....