DataSet from Spark2.0Officially enabled, it has the characteristics of both DataFrame and RDD, and RDD is no longer used.
Which of the following are the built-in string functions of Hive?
The following aboutHiveComponent capabilities in the architecture. Which is the correct description?
During data stream processing,frequently used systemtimebetween(proceessing time)dofor an eventbetween. About Processing TimeWhich item is described incorrectly?
Redis adopts a non-central self-organizing structure. Nodes use the Gossip protocol to exchange node status information.
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