The database control file is a small binary file necessary for the database to start and
operate successfully. A control file is updated continuously by Oracle during database
use, so it must be available for writing whenever the database is open. If for some
reason the control file is not accessible, then the database cannot function properly.
Each control file is associated with only one Oracle database.
控制文件
1. 二进制文件
2. 在数据库使用时 ， 不停的被更新 ，不管数据库是否打开 ， 都必须是可使用的
3. 一个控制文件对应一个数据库
来自 “ ITPUB博客 ” ，链接：https://blog.itpub.net/10599713/viewspace-977137/ ，如需转载，请注明出处，否则将追究法律责任。
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