Database migration method and device, equipment, storage medium and product

The invention discloses a database migration method and device, equipment, a storage medium and a product, and relates to the technical field of big data. The database migration method comprises the following steps: in response to a received data updating instruction carrying to-be-updated data, obtaining a target database table identifier corresponding to the to-be-updated data in a source database; synchronously updating the to-be-updated data in the source database and the target database based on the target database table identifier; and in the data retention validity period corresponding to the to-be-updated data, determining a corresponding data migration success condition according to the data consistency condition of the to-be-updated database table to which the to-be-updated data belongs in the target database and the source database. According to the method, the source database and the target database are synchronously updated based on the target database table identifier corresponding to the to-be-