PySpark SQL Left Semi Join Example

PySpark leftsemi join is similar to inner join difference being left semi-join returns all columns from the left DataFrame/Dataset and ignores all columns from the right dataset. In other words, this join returns columns…

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PySpark SQL Inner Join Explained

PySpark SQL Inner join is the default join and it’s mostly used, this joins two DataFrames on key columns, where keys don’t match the rows get dropped from both datasets (emp & dept).…

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