Overview of Control Files (66)

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.

控制檔案
1. 二進位制檔案
2. 在資料庫使用時 ， 不停的被更新 ，不管資料庫是否開啟 ， 都必須是可使用的
3. 一個控制檔案對應一個資料庫

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