It is over two years since my brother ______the army.
A. joins
B. joined
C. has joined
D. had joined
A.mapred.map.output.compression
B.mapred.map.output.compression.codec
C.mapred.map.input.compression.codec
D.mapreduce.map.output.compression.codec
A.64
B.100
C.200
D.640
A.<"hello",1,1>、<"hadoop",1>和<"world",1>
B.<"hello",2>、<"hadoop",1>和<"world",1>
C.<"hello",<1,1>>、<"hadoop",1>和<"world",1>
D.<"hello",1>、<"hello",1>、<"hadoop",1>和<"world",1>
A.sqoop可以将HQL/SQL的执行结果导入到Oracle或者Hive
B.不能大于1M
C.sqoop使用参数-m(即--num-mappers)进行导数时,分布在每一个map上的数据是均匀的
D.sqoop将数据导入Oracle时遇到值的长度超长,sqoop会继续将正常的数据导入Oracle