Sharepoint - stsadm - contentDB operations

Microsoft Office SharePoint Server 2007 includes the Stsadm tool for command-line administration of Office SharePoint Server 2007 servers and

sites. Stsadm is located at the following path on the drive where SharePoint Products and Technologies is installed: %COMMONPROGRAMFILES%\microsoft shared\web server extensions\12\bin. You must be an administrator on the local computer to use Stsadm.
Stsadm provides a method for performing the Office SharePoint Server 2007 administration tasks at the command line or by using batch files or scripts.

Content database Operations:

Add content db:
stsadm.exe -o addcontentdb
           -url <url>
           -databasename <database name>
           [-databaseserver <database server name>]
           [-databaseuser <database username>]
           [-databasepassword <database password>]
           [-sitewarning <site warning count>]
           [-sitemax <site max count>]

Database repair:
stsadm.exe -o databaserepair
           -url <url>
           -databasename <database name>
           [-deletecorruption]

Delete content db:
stsadm.exe -o deletecontentdb
           -url <url>
           -databasename <database name>
           [-databaseserver <database server name>]

Set config db:
stsadm.exe -o setconfigdb
           [-connect]
           -databaseserver <database server>
           [-databaseuser <database user>]
           [-databasepassword <database user password>]
           [-databasename <database name>]
           [-exclusivelyusentlm]
           [-farmuser]
           [-farmpassword]
           [-adcreation]
           [-addomain <Active Directory domain>]
           [-adou <Active Directory OU>]

Delete config db:
stsadm.exe -o deleteconfigdb

Merge content dbs:
stsadm.exe -o mergecontentdbs
    -url <url>
    -sourcedatabase <source database name>
        destinationdatabasename <destination database name>
    [-operation <1, 2, or 3>]
    [-filename <file name that is saved from the stsadm -o enumsites operation>]
 
Where operation is:
    1. Analyze (default)
    2. Full database merge
    3. Read from file

Trim audit log:
stsadm -o trimauditlog
   -url <URL name>
   -enddate <YYYYMMDD>
   -databasename <database name>
   [-databaseserver] <database server name>