Internal Firebird software consistency check () When the database engine sees a broken reference to the missed record or database page, it stops working with a message like this: Internal gds software consistency check ()

Usually, database corruption means that some links between internal structures of Firebird (or InterBase) database are broken. What is database corruption and how FirstAID repairs it?

Make sure to read FirstAID (Firebird and InterBase) Recovery Guide before recovery actions!.

What you see is what you will recover with FirstAID.

If you decide to recover the data you see in FirstAID, purchase the license (you'll get your password i n 15 minutes after completing the purchase).

Open the corrupted database with FirstAID and double click on the table name, then browse through the table's data pages.

Download FirstAID - no registration required.

So you login into the problematic database using Firebird Embedded edition, any username and any password, and after that you drop the access blocking role. All server-coded security checks are bypassed in the Embedded edition of FB 2.x (but if DB designer added some ad hoc security checks in triggers - they will work). Then you use that name to login into the problematic database and to DROP ROLE SYSDBA COMMIT. So you would have to look into the said table, find the row with the said role, and learn the username that has authority over that role (in the example it was LOCKSMITH).Īfter that you connect to any other database on the same server and you create the user with the name you learnt. INSERT INTO RDB$ROLES(RDB$ROLE_NAME, RDB$OWNER_NAME) The query to create the blocking role is given on the 23rd page of the presentation. You only need to find and read one specific row. And probably there are more tools featuring data extraction from corrupt databases.

But I hope the tool works in IBExpert Trial. Full IBExpert is paid for non-USSR states and free IBExpert Personal probably does not have the tool. One such tool is Database Explorer in the IBExpert. You can try some tool that opens Firebird databases without using Firebird itself to learn what username can pull you out of the deadlock.Like said by Mark, it is not that the database 'does not have SYSDBA user' - databases in Firebird 2.x never have users - but that old trick was used to create SYSDBA named role in order to trigger names collision on login.Īfter scanning through 2007 Security presentation I have two suggestions for you.

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