Databricks Interview Questions

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1 Q01 **What is Delta Lake and why was it created?** ▼

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2 Q02 **What file format does Delta Lake use under the hood?** ▼

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3 Q03 **What is the `_delta_log` directory and what does it contain?** ▼

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4 Q04 **What are the four ACID properties and how does Delta Lake guarantee them?** ▼

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5 Q05 **What is a checkpoint file in the Delta transaction log?** ▼

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