Exam Name: | HCIP-Big Data Developer V2.0 | ||
Exam Code: | H13-723_V2.0 Dumps | ||
Vendor: | Huawei | Certification: | HCIP-Big Data |
Questions: | 526 Q&A's | Shared By: | cece |
Fusioninsight HDsystematicv100R002C60version,HiveOnly supports based onMapReduceengine
query service, does not support based onSparkEngine query service
existSpark, which of the following is trueDataFrameThe operator that takes the intersection?
existSpark, the accumulator can realize high-speed parallel counter and variable summation; inSparkduring application development,
only inDriverGet the value of this counter on .
Suppose there is an application that needs to be accessed frequentlyOracleThe user table in the database, in order to improve performance, introduceRedisto cache users
information.
For this scene,RedisWhich of the following is the best data structure choice for ?