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缓存与参数http://www.eygle.com/archives/2014/07/oracle_12c_inmemory_option_one.html 压缩 http://www.eygle.com/archives/2014/07/oracle_12c_inmemory_option_two 阅读全文
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外部文件导入到Hive的例子: [training@localhost ~]$ cd ~[training@localhost ~]$ pwd/home/training[training@localhost ~]$ [training@localhost ~]$ vim customers.txt 阅读全文
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[Spark][Hive]Hive的命令行客户端启动: [training@localhost Desktop]$ chkconfig | grep hive hive-metastore 0:off 1:off 2:off 3:on 4:on 5:on 6:offhive-server2 0:of 阅读全文
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[Spark][python]以DataFrame方式打开Json文件的例子: [training@localhost ~]$ cat people.json{"name":"Alice","pcode":"94304"}{"name":"Brayden","age":30,"pcode":"943 阅读全文