You cannot add a .db directory to your HMI because it exists by default. Also, the hmi.sqlite file also exists by default. If you replace it or delete it your HMI will not be usable anymore. It's all documented here ("internal:hmi" will use hmi.sqlite): https://www.smart-hmi.com/user/download/deliver/docs/documentation-webiq-visuals-reference-2.15-ee64/shmi.visuals.core.QueryManager.html https://www.smart-hmi.com/user/download/deliver/docs/documentation-dev-connect-apidoc-version-2.15.x-ee64/index.html#_database_access Please note that I think we're going off-topic here. In the future can you please create a new post for different topics not directly related to the initial post?
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