A.Support GDS tools to speed up data storage

B.Ensuring high reliability of data and systems

C.Response in seconds for trillions of data association analysis

D.Unified Management Console

A.YARN

B.HBase

C.HDFS

D.Spark

A.False

B.True

A.When deleting an external table, only delete the data of the external table without deleting the metadata

B.Create ordinary tables by default

C.When deleting a common table, metadata and data are deleted at the same time

D.The essence of the external table is to associate the file path already existing on HDFS with the table

A.barrier is the core of Flink snapshot

B.The barrier is periodically inserted into the data stream and flows as part of the data stream

C.A barrier separates the data of this cycle snapshot from the data of the next cycle snapshot

D.When the barrier is inserted, the data flow will be temporarily blocked