Listing 12 shows a handler that will exit the procedure when SQL warnings and the not found conditions are encountered.
清单12展示了一个处理程序，它将在遇到SQL警告和not found条件时退出过程。
The login name you specified was not found. Please use a different login name or choose Cancel to exit the application.
指定的用户名没有找到。请使用一个不同的用户名或选择取消退出应用程序。
The password you specified was not found. Please try again or choose Cancel to exit the application.
指定的口令没有找到。请重试或选择取消退出应用程序。
The password you specified was not found. Please try again or choose Cancel to exit the application.
指定的口令没有找到。请重试或选择取消退出应用程序。
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