//todo: to complete
Cross join matches every row from left with every row from right, generating a Cartesian cross product.
val joinDF=statesPopulationDF.crossJoin(statesTaxRatesDF)
without using a join condition.
//todo: to complete
Cross join matches every row from left with every row from right, generating a Cartesian cross product.
val joinDF=statesPopulationDF.crossJoin(statesTaxRatesDF)
without using a join condition.