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SQL

What is Data Lake

A data lake is a centralized repository that allows you to store all your structured and unstructured data at any scale. You can store your data as-is, wit…

azure cloud data-engineering
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Mar 19, 2026 2 min read
DATA
PySpark

What is Managed and External table in Spark

In Apache Spark, both Managed and External tables are used to store the data. However, there are significant differences in how Spark manages the data for …

azure data-engineering data-science
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Mar 19, 2026 3 min read

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