Make sure the option Use existing database model is selected.

确保已选中 Use existing database model 选项。

youdao

Many developers want the freedom to choose the most appropriate persistence strategy for their system; they don't want to be told what existing database to use.

许多开发人员希望有自由为他们的系统选择最适当的持久性策略，他们不想被命令使用什么现有的数据库。

youdao

When prompted for a database connection, use an existing connection and select the connection DSADEMO.

当提示您提供一个数据库连接时，使用一个现有连接，选择连接 DSADEMO。

youdao

The two million people already signed up to the London 2012 ticketing database will receive information about how to apply, with registered users being able to use their existing log-in details.

BBC: London 2012 Olympic tickets on sale 15 March