多项选择题
A.上传B.更新C.处理D.删除
A.var[:7]B.var[6:11]C.var[6:10]D.var[-1]
A.ozone sh volume create user=test test;B.ozone sh volume create -user=test test;C.ozone sh volume create -username=test test;
A.set hive exec.compress.output=trueB.set nive.exec.compress.output-falseC.set hive.exec.compress.intermediate-trueD.set hive.exec.compress.intermediate=false
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