打开这个数据库并导航到Applications，然后单击顶部的New Application按钮创建一个应用程序配置文档。
Open the database, navigate to Applications, and then click the New application button at the top to create an application configuration document.
若要将数据库配置添加到应用程序，请打开EAR项目中的application . xml文件。
To add the database configuration to the application, open the application.xml file in the EAR project.
要通过Control Center打开LOGRETAIN，需要高亮显示该数据库，然后右击它来修改配置参数。
To turn on LOGRETAIN through the Control Center, highlight the database and right click to modify the configuration parameters.
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