Apache Spark preguntas y respuestas de entrevista
Question: What is the purpose of the Spark SQL module?Answer: Spark SQL is a Spark module for structured data processing. It provides a programming interface for data manipulation using SQL, as well as a DataFrame API for processing structured and semi-structured data.Example:
|
Guardar para repaso
Guarda este elemento en marcadores, marcalo como dificil o agregalo a un conjunto de repaso.
Inicia sesion para guardar marcadores, preguntas dificiles y conjuntos de repaso.
Es util? Si No
Lo mas util segun los usuarios:
- What is the purpose of the Spark SQL module?
- Explain the difference between narrow and wide transformations in Spark.