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Data Brew Season 1 Episode 3: Demystifying Delta Lake

Data Brew by Databricks

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Efficient querying and troubleshooting slow queries on Delta tables

This chapter explains the efficiency of Delta tables and how they are designed to query by making only one list RPC to the file system, utilizing tricks like ordered file names and the last checkpoint file. It also discusses diagnosing and troubleshooting slow queries on Delta tables.

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