Question 26
Which of the following commands can be used to create node data?
Question 27
A user information table meg is saved in HBaser of Fusioninsight HD_table, Rowkey is the user id, one of which is the name of the user, now write three KeyValues to this column in sequence:001:Li, 001:Mary001:Lily, may I ask scanmeg_table', (VERSION=>2) which pieces of data will be returned?
Question 28
Spark, like Hadoop, is not suitable for iterative computing.
Question 29
Which of the following commands download directories/files from HDFS to local?
Question 30
HBase's BloomFilter is used to filter data.