An error code will be returned to the application, and activity against the database will be stopped, if more secondary log files are required than are allowed by this parameter.
如果所需的辅助日志文件的数量比该参数允许的数量大，就会将一个错误代码返回到应用程序，并且会停止对数据库的操作。
The code in Listing 9 causes an error because it tries to use an ID that already exists in the database.
清单9中的代码导致了错误，因为它试图使用数据库中已经存在的ID。
The error is SQLException, error code ORA-00942; specifically, an expected database table or view does not exist.
该错误是SQLException，错误代码为OR A - 00942。很显然，是因为期望的数据库表或视图不存在。
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