Write a PySpark job to remove duplicate records from a large dataset efficiently. 𝟮𝗻𝗱 𝗥𝗼𝘂𝗻𝗱 (𝗧𝗲𝗰𝗵 𝗟𝗲𝗮𝗱 𝗗𝗶𝘀𝗰𝘂𝘀𝘀𝗶𝗼𝗻) - Explain your current data pipeline architecture tools, ...

Power BI Developer Interview Questions & Answers 5–10 Years Experience | DAX | Power Query | Performance Tuning | Real Projects Power Query Interview Questions Q1. What is Power Query in Power BI?

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source schema. sql -- Creates database and tables source data. sql -- Inserts sample data source data_cleaning. sql -- Cleans invalid/null/duplicate data source data_manipulation. sql-- Performs ...