When you make sure your input doesn't include bad values, you can move on to guarding your file system, database, and session.
在确保输入不包括无效值之后，可以继续保护文件系统、数据库和会话。
Doing so creates a database on disk called test.tdb and opens it so that any changes you make in this session will be on that file.
这样做可以在磁盘上创建名为test . tdb的数据库并打开它以便您在此会话中进行的任何变更都在该文件上。
This Session makes use of the properties file defined earlier to determine the appropriate target database, user information, and so on.
该Session使用前面定义的属性文件确定适当的目标数据库、用户信息，等等。
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