本文解析了控制文件中包含的关键信息，如数据库名称、创建时间戳、数据文件与重做日志文件的位置等，并强调了控制文件对于数据库的重要作用。
Among other things, a control file contains information such
as:
■ The database name
■ The timestamp of database creation
■ The names and locations of associated datafiles and redo log files
■ Tablespace information
■ Datafile offline ranges
■ The log history
■ Archived log information
■ Backup set and backup piece information
■ Backup datafile and redo log information
■ Datafile copy information
■ The current log sequence number
■ Checkpoint information
<wbr><wbr> 由于control file 包含最近的日志sequence number<wbr> 以及最新的checpoint information 所以<span style="DispLAY: inline! important; FLoAT: none; WorD-spACinG: 0px; FonT: 14px/25px simsun; TexT-TrAnsForM: none; CoLor: rgb(0,0,0); TexT-inDenT: 0px; WHiTe-spACe: normal; LeTTer-spACinG: normal; BACKGroUnD-CoLor: rgb(244,251,244); webkit-text-size-adjust: auto; orphans: 2; widows: 2; webkit-text-stroke-width: 0px"><span>要注意</span>当前控制文件丢失，有老的控制文件备份，但老的控制文件备份之后有逻辑结构的变化，</span><span style="DispLAY: inline! important; FLoAT: none; WorD-spACinG: 0px; FonT: 14px/25px simsun; TexT-TrAnsForM: none; CoLor: rgb(0,0,0); TexT-inDenT: 0px; WHiTe-spACe: normal; LeTTer-spACinG: normal; BACKGroUnD-CoLor: rgb(244,251,244); webkit-text-size-adjust: auto; orphans: 2; widows: 2; webkit-text-stroke-width: 0px">比如新增了数据文件，</span><br><br></wbr></wbr></wbr>
■ The database name
■ The timestamp of database creation
■ The names and locations of associated datafiles and redo log files
■ Tablespace information
■ Datafile offline ranges
■ The log history
■ Archived log information
■ Backup set and backup piece information
■ Backup datafile and redo log information
■ Datafile copy information
■ The current log sequence number
■ Checkpoint information
<wbr><wbr> 由于control file 包含最近的日志sequence number<wbr> 以及最新的checpoint information 所以<span style="DispLAY: inline! important; FLoAT: none; WorD-spACinG: 0px; FonT: 14px/25px simsun; TexT-TrAnsForM: none; CoLor: rgb(0,0,0); TexT-inDenT: 0px; WHiTe-spACe: normal; LeTTer-spACinG: normal; BACKGroUnD-CoLor: rgb(244,251,244); webkit-text-size-adjust: auto; orphans: 2; widows: 2; webkit-text-stroke-width: 0px"><span>要注意</span>当前控制文件丢失，有老的控制文件备份，但老的控制文件备份之后有逻辑结构的变化，</span><span style="DispLAY: inline! important; FLoAT: none; WorD-spACinG: 0px; FonT: 14px/25px simsun; TexT-TrAnsForM: none; CoLor: rgb(0,0,0); TexT-inDenT: 0px; WHiTe-spACe: normal; LeTTer-spACinG: normal; BACKGroUnD-CoLor: rgb(244,251,244); webkit-text-size-adjust: auto; orphans: 2; widows: 2; webkit-text-stroke-width: 0px">比如新增了数据文件，</span><br><br></wbr></wbr></wbr>
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