1Click 'Open database' on the left panel:
2Select your file and click 3'Open':
Wait a bit for a progress and then repeat the same for the right panel 4:
Wait a bit more and 5 click on total or changed count for interested object type, for example Views
In the opened Object list tab 6 select required object and 7 click merge button:
It will open merge confirmation dialog with synchronization script. Click 8 'Run' to apply changes: