DR .kdb files

We tried to test our DR system over the weekend and quickly determined that the data we were seeing was from 2017.  We did not realize that the .kdb files were out of date.  We back up out .kdb files to the DR server every four hours.  In looking at the backed up .kdb files.  There are presently 36 .kdb files for one of the engines dated from 31/5/2019 to today 5/6/2019.  If we were to copy those .kdb files to the application folder, would the DR system then be up to date wilt all data between 2017  and the most recent .kdb files.

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