EMS Data Comparer 2007 for PostgreSQL 用来进行PostgreSQL数据库对比的软件。可以找出相互之间结构上的不同，可以通过自动生成的脚本来浏览或者删除选定的或者全部不同的地方。直观明了的界面可以让你同时进行几项工作，设定比较规则，自定义数据库比较方式等等。

EMS Data Comparer for PostgreSQL is a powerful and easy-to-use utility for data comparison and synchronization. You can view all the differences in compared tables and execute an automatically generated script to eliminate these differences. Flexible customization of the comparison and synchronization process will enable you to select tables and fields for comparison and tune many other options. Data Comparer for PostgreSQL includes a graphical wizard, guiding you through the data comparison and synchronization process step by step, and a command-line service for synchronizing data in one-touch.