本文详细介绍了如何使用Hadoop进行文件访问检查、Hive登录与数据库操作，包括查看目录、文件属性和使用Hive命令进行数据库和表的管理。同时，展示了Hadoop与Hive环境下文件的上传、权限验证及目录结构展示。
- Check HDFS access
hadoop fs -ls /user | grepmz50947
- Check whether in group enterpriserisk
hadoop fs -ls /data/enterpriserisk
- Login to Hive
hive
- Show databases in Hive
Show databases;
- Show tables in Hive database
Use bdegrp;
Show tables;
PSCP C:\temp\ BEICF_KOR_LIBRARYmz50947@bdwar001p01l.nam.nsroot.net:/home/mz50947
$ hadoop fs -put BEICF_KOR_LIBRARY /user/mz50947No encryption was performed by peer.
$ hadoop fs -ls /user/mz50947
No encryption was performed by peer.
Found 4 items
drwx------ - mz50947 enterpriserisk 0 2013-07-23 01:48 /user/mz50947/.Trash
-rw-r--r-- 3 mz50947 enterpriserisk 0 2013-07-23 01:39 /user/mz50947/1
-rw-r--r-- 3 mz50947 enterpriserisk 6 2013-07-23 01:48 /user/mz50947/1.txt
-rw-r--r-- 3 mz50947 enterpriserisk 30487 2013-07-23 08:17 /user/mz50947/BEICF_KOR_LIBRARY
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