Spark SQL is great for this. SQL strings and data frames code can be used interchangeably, and performance is the same for either type of query. https://spark

Spark SQL is great for this. SQL strings and data frames code can be used interchangeably, and performance is the same for either type of query. https://spark.apache.org/docs/2.1.1/sql-programming-guide.html#overview https://spark.apache.org/docs/2.1.1/sql-programming-guide.ht...