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Insert overwrite using select within same table

Hello community, I am not sure that using 'insert overwrite using select within same table' via spark SQL is a good approach or is there any other best alternative approach to do this. Thanks Utkarsh

Insert overwrite using select with in same table

Hello community, I am not sure that using 'insert overwrite using select within same table' via spark SQL is a good approach or is there any other best alternative approach to do this.