Friday, March 20, 2020
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Delta Lake - Time Travel
Time Travel allows you to query, restore, or compare data from a previous version of a Delta table. Delta Lake automatically keeps tra...
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When to Use What? ✅ Use "Storing DataFrame as Delta Table" if: You don’t need SQL access and will only use Spark for reading/...
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Understanding AST (Abstract Syntax Tree) in Spark An Abstract Syntax Tree (AST) is a way to break down a query into a tree-like structure s...
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Azure Data Lake vs. Azure Blob Storage: Which One Should You Use? Both Azure Data Lake Storage (ADLS) and Azure Blob Storage are powerful ...
