RDB supports indexes, HBase does not support indexes.

• A.TRUE
• B.FALSE

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Which of the following descriptions about Hive are correct?

• A.supportTez, Spark and other computing engines
• B.Direct access to HDFS files and HBase
• C.Can query and manage petabytes of distributed data
• D.E for dataTL process automation

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P? ?need? ?receive? ?Confirmation issued after? ?signal, when setting the MC?numbered?How many times means at least used? ?write?Le?, but does not require writing? ?write?

• A.acka?1
• B.an?1
• C.an?0
• D.an?2

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SELECT aa.salarybB. address FROM employee aa JoiN SELECT adress FROM employee info where provine='zhejiang') What types of operations does bb ONaa.nanme=bB. name contain?

• A.create table
• B.subquery
• C.Import Data
• D.JOIN Cha Xun

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Which of the following statements about worker, Executor and task are correct? (Multiple choice)

• A.Each worker can run multiple Executors
• B.Each Executor can run a task
• C.Each worker can only run Executor for one topology
• D.Each Executor can run tasks of different components (spout or bolt)

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