>>Hi all, >>I've noticed recently that my database (within the project) is read-only all the time, so I can't edit referential integrity or 'clean-up' database (option is disabled). I am not aware of any special changes that I've done to the database. There were no problems when opening and packing dbc file from command window. What should I do in my project to correct this situation? >>Thanks a lot in advance for any suggestions. > >Run the command in the command window >OPEN DATABASE YOUR_DATABASE_NAME EXCL >hth :) Robert, it did help. Many thanks for such a prompt response and have a great day. Srdjan