Overall encryption: the use of a comprehensive encryption system or storage encryption gateway system, the database file where the disk sector encryption.
全盘加密：采用全盘加密系统或者存储加密网关系统，将数据库文件所在的磁盘扇区进行加密。
It compares the performance of web server with and without the payment gateway emulator and then analyzes its performance with the change of test mode and database size.
对加入支付网关模拟器前后的性能以及改变测试模式、数据库尺寸后的性能进行了比较分析。
Compared with various DB access methods, database gateway based on ODBC is designed, so as to accomplish centralized backup of heterogeneous DBMS from one point and no configuration at backup side.
通过比较多种数据库访问方法，设计出基于odbc的数据库网关，从而实现从一点集中备份异构数据库和备份端的零配置。
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