so now my question is:

Do composite key constraints automatically create non-clustered indexes?

Thanks guys for replying...I also would like a copy...

It match Peter...

The CheckPointLSN of the full backup matches the DifferentialBaseLSN of the differential backup.

I tried this but still no luck...

RESTORE DATABASE LEON

   FROM DISK = 'C:\DB\LEON_db_200410290115.BAK'

   WITH NORECOVERY,

        MOVE 'LEON_Data'...

Got another error msg:

Cannot apply the backup on device

C:\DB\Leon_diff_backup.diff

My code below:

RESTORE DATABASE LEON

   FROM DISK = 'C:\DB\LEON_db_200410270115.BAK'

   WITH NORECOVERY

RESTORE DATABASE LEON

FROM DISK = 'C:\DB\LEON_diff_backup.diff'

WITH MOVE 'LEON_Data' TO 'C:\DB\LEON_Data.MDF',

MOVE 'LEON_Log' TO...

Cheers Peter! I will try it out!

Thanks for the all info guys!

Thanks Ignacio...I will check this link....

Thanks Phil...

I just need to know that the stored procedures had been modified by someone and need also to update in other database...

Third-party tools is the only solutions?