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Interview questions
Discuss differences between ROW_NUMBER(), RANK(), and DENSE_RANK(), and provide examples from your projects.
Describe a time when you had to optimize a slow SQL query. What steps did you take?
Why are you leaving your current company?
Have you worked on Data Warehousing projects?
What is the difference between OLTP and OLAP?
What is the difference between SQL and NoSQL databases?
Explain Common Table Expressions (CTEs) and their benefits.
Explain SQL Window Functions with examples.
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