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Data engineering interview questions
Explain the use of Elastic Resize vs. Classic Resize in Redshift.
Explain the use of surrogate keys vs. natural keys in data modeling.
Explain types of joins in Spark with examples.
Explain your approach to optimizing a slow-running query on a table with billions of rows.
Explain your understanding of indexing, partitioning, and execution plans.
Fact vs Dimension Table - categorize data
Facts and Dimension Tables Properties
Features of NoSQL Databases
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