Security of the database access relies on a JDBC driver and a database implementation.
数据库访问安全依赖于JDBC驱动程序和数据库实现。
The specific application or database implementation is not as important, nor are the tools you choose to use.
特定的应用程序或数据库实现并不重要，选择的工具也不重要。
Adding an abstraction in the form of a DAO decouples the database implementation from the GUI implementation.
以DAO的形式添加一个抽象可以从GUI实现将数据库实现解耦。
For example, for testing purposes you can replace a heavy database implementation with a lighter-weight mock implementation.
举例来说，出于测试的目的，你可以用模拟的轻量级数据库实现来替代实际的大型数据库。
Since the connection is made using a standard interface (JDBC in this case), applications do not need to worry about database implementation.
由于连接是通过标准接口(本例为JDBC)实现的，因此应用程序不需要担心数据库实现问题。
So, when these processes are configured and initiated, the environment must include pointers to the 32-bit libraries provided by the DB2 database implementation.
因此，当配置并启动这些进程时，其环境必须包含指向DB2 数据库实现所提供的32 位库的指针。
So, when these processes are configured and initiated, the environment must include pointers to the 32-bit libraries provided by the DB2 database implementation.
因此，当配置并启动这些进程时，其环境必须包含指向DB2 数据库实现所提供的32 位库的指针。
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