与数据库同时建立的文件

db2rhist.asc This file contains historical information about backup operations restore operations, table load operations, table reorganization operations, table space alterations, and similar database changes (in other words, the recovery history file).
db2rhist.bak This file is a backup copy of db2rhist.asc.
SQLBP.1 This file contains buffer pool information.
SQLBP.2 This file is a backup copy of SQLBP.1.
SQLDBCON This file contains database confi  guration information.
SQLDBCONF This file is a backup copy of SQLDBCON.
SQLINSLK This file contains information that is used to ensure that the database is assigned to only one DB2 instance.
SQLOGCTL.LFH This file contains information about active transaction log files. Recovery operations use information stored in this file to determine how far back in the logs to begin the recovery process.
SQLOGMIR.LFH This file is a mirrored copy of SQLOGCTL.LFH.
SQLSGF.1 This file contains storage path information associated with automatic storage.
SQLSGF.2 This file is a backup copy of SQLSGF.1.
SQLSPCS.1 This file contains table space information.
SQLSPCS.2 This file is a backup copy of SQLSPCS.1.
SQLTMPLK This file contains information about temporary table spaces.

有些备份文件是后续名不同,有的是名字不同,有的是.1是源文件,有的.1是备份文件,从小的细节就可以看出DB2少人用的原因

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