Before going to the tax rates of salaries tax and personal assessment, you may want to know how to calculate the amount of tax you should pay. This article will also tell you the standard rate and ...
Sqoop是用于在Hadoop和关系型数据库之间流转数据的工具。可以使用Sqoop从关系型数据库(RDBMS)比如Mysql或者Oracle导入数据到Hadoop分布式文件系统上,在Hadoop MapReduce上对数据做转换,然后导回到RDBMS上。 借助数据库的Schema描述信息,Sqoop自动实现了上述的很多过程 ...