forFusionInsight HDplatformHBaseComponent, which properties of the secondary index need to be defined to add a secondary index? (multiple choice)

Answer(s): A,B,C,D

when aMapReduceWhen the application is executed, which of the following actions ismapoccurred before the stage?

Answer(s): A

FusionInsight HDin, aboutHive UFDSecondary development, is the following description correct? (multiple choice)

user definedUDFBefore being used, it needs to beHivecreate this in the systemUDonly
user definedUDF, information such as summary and status is not allowed.
user definedUDF, can be added according to the actual situationdeterministicandstatefulletc.
Notes.
Under the secure cluster, user-definedUDF, it is recommended to create it once before each use.

Answer(s): A,C