本文介绍了数据库标识符(DBID)的概念及其作用。DBID是一个唯一标识符，用于标识文件所属的数据库，并可在控制文件中找到，即使在无法访问数据文件的情况下也能获取。了解DBID对于数据库恢复至关重要。
DBID = Database Identifier.
The DBID is a unique identifier. It is found in all datafile headers. The DBID
is used to identifiy the database a file belongs to.
The DBID is a unique identifier. It is found in all datafile headers. The DBID
is used to identifiy the database a file belongs to.
The DBID is also found in the control files. It can therefore be gotten without
access to the datafiles (startup mount, select * from v$database)
access to the datafiles (startup mount, select * from v$database)
The dbid is important when the SPFILE or controlfiles must be recovered.
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转载于:http://blog.itpub.net/10599713/viewspace-1001726/
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