Which of the following scenarios is Flume suitable for data collection? (Multiple choice)

Spark divides the stages according to the dependencies of RDDs. The scheduler starts from the end of the DAG graph and traverses the entire dependency chain in reverse. When it encounters narrow dependencies, it disconnects, and when it encounters wide dependencies, it adds them to the current stage.

In the era of big data, which of the following challenges are faced by enterprises? (Multiple choice)

SELECT a salary, b adress FROM employee a JoiN SELECT adress FROM Employee info where provine='zhejiang) b NO ananme=b.name: "What types of operations are included?" (Multiple choice)

In the Loader of Fusioninsight HD, one connector can only be assigned to one job.