Fetching data via JDBC using pyspark

https://spark.apache.org/docs/latest/sql-data-sources-jdbc.html

Data used - academia.stackexchange.com.7z from https://archive.org/details/stackexchange

Data from multiple tables are there in academia.stackexchange.com folder. I used PostHistory.xml.

Unified analytics engine for large-scale data processing (mostly in-memory).

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