It is not possible or recommended to directly query the BO XI repository.
BO has created a tool named the Query Builder (available in the admin launchpad), which is a web application available at this URL capable to query the BO XI repository:
- Access on JAVA: http://<SERVER>:<PORT>/businessobjects/enterprise115/adminlaunch/
- Access on .NET: http://<SERVER>:<PORT>/businessobjects/enterprise115/WebTools/
It is not possible to use other SQL statement that SELECT.
You can find some interesting information about the Query Builder in the following post: Repository tables in XI
The only way to rename and/or delete a document is to build your own application (using BusinessObjects XI R2 SDK) or to use: