What is difference between dataset and dataframe in spark?
What is lineage graph in spark?
Why do we use persist () on links rdd?
What is dataframe in spark?
Do we need scala for spark?
What are the components of spark?
Is spark sql faster than hive?
What is serialization in spark?
What is client mode in spark?
Which are the methods to create rdd in spark?
What is executor cores in spark?
Why we use parallelize in spark?
What is cluster manager in spark?
How do I change hive execution engine to spark?
What is spark dynamic allocation?