S3 is primarily geared towards file storage so although it makes a good choice for cheaply hosting images and CSS stylesheets, it's a not a good choice for storing relational or structured data.
The data store is not a relational database; it's closer to a simple file system.
这个数据存储不是一个关系数据库，倒更像是一个简单的文件系统。
3
It is a general-purpose component that writes data from a text CAS into tables in a relational database under the control of an XML configuration file.