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# Upgrade the Database Schema

To keep existing analytics for each channel and camera in the database, contact your database administrator for details of the changes you need to make to migrate from the previous database schema to the new database schema.

You can compare the previous `schema.sql` with the new `schema.sql` for information on the new tables and columns that you need to add.

If you do not wish to keep existing analytics, you can simply delete the database and recreate it from scratch.

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