A.TB-level data retrieval is returned in seconds

B.Does not support the fusion search of text such as sound

C.Expansion of nodes and disk services will not be interrupted, and the thesaurus will be updated without interruption

D.Compatible with Elasticsearch APIs

A.False

B.True

A.Non-real-time analysis. Such as log analysis, statistical analysis

B.Data mining. Such as user behavior analysis, interest analysis, regional display

C.Data summary. For example, clicks per user per day, click ranking

D.Real-time online data analysis

A.You can specify the column separator when creating a table

B.To create an external table, you must specify location information

C.Create an external table using external keying. To create a normal table, you need to specify the internal keyword

D.The source data must be a path in HDFS when loading data to Hive

A.Task scheduling

B.Monitoring task execution status

C.Resource allocation

D.Start/shut down the work process