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Data engineering interview questions · easy
Explain the differences between a Data Lake and a Data Warehouse.
Explain the concept of ACID properties in the context of databases.
Explain Common Table Expressions (CTEs) and their benefits.
Explain the difference between UNION and UNION ALL.
What is the difference between a clustered and non-clustered index?
What is the difference between DELETE and TRUNCATE?
What is a CTE (Common Table Expression)? What are its uses?
Aggregate surface areas and calculate cumulative surface area using the LAG function.
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