Some rows of a single table in a database that I administer manage to have gone missing. Not that big of a problem: I have a backup.
The issue is that there has been more information added since the old data was lost, so I can't do a wholesale replacement. I've isolated the range of rows that were removed based on the primary key, but I'm not sure about the rest of the steps:
1) Export the rows based on the unique row id number;
2) Re-import the old rows without disturbing the new data.
Anyone have some wisdom for me?