# Database sync
Each night there is automated overnight sync to check for any changes and new potential duplicates. In addition to this overnight sync a sync might take place if you make changes to the DupliKit settings or you choose to hit the Resync option for your chosen entity.
1. **Last Sync** shows the last time DupliKit copied the Bullhorn database into the product.
2. **Synced records xx%** displays the progress of a resync as well as how many records have been synced (see (4) for how to run a resync).
3. **Candidates in database | Duplicates to merge** displays the total number of records synced and the number of duplicates that have been identified.
4. **Resync:** Clicking the 'Resync' button will start a new resync process. The DupliKit working area will be refreshed with the latest Bullhorn records. Once refreshed, DupliKit will update the list of possible duplicates based on the current settings. The numbers displayed will show the previous results until the new sync is complete.
5. **'Merge Duplicates' takes you through to the Candidates Report screen** (or Contacts/Company depending on the dashboard tile selected). This will not immediately merge duplicates, only take you to the option to review potential identified merges.
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