Question 121
Fusioninsight HDofhiveIn the application, there are the following scenarios: high compression efficiency for data storage files rate, and most queries involve only a subset of fields in the file. This scenario is suitable for using columnar files (ORC File) storage
Question 122
Fusioninsight HDsystematicv100R002C60version,HiveOnly supports based onMapReduceengine query service, does not support based onSparkEngine query service
Question 123
Sparkis a memory-based computing engine, allSparkData during program operation can only be stored in in memory.
Question 124
Suppose there is an application with10Tables, each table has tens of millions of records, and the number of fields is about20indivual. now useRedisto cache this10The data of a table, the design of its data structure, which of the following is the best design?
Question 125
HiveWhich of the following table types are supported? (multiple choice)
