Hi admin,

I try to upgrade the old redash to the new one with a new version.
But every time I do this upgrade task, the data is flushall.

Please share me the best way to upgrade successfully within keep old database

Hi admin,

I want to delete some queries, the memory will be clear after doing this?

You can DELETE FROM the queries table if you need. But unless your installation is massive I wouldn’t expect this to save much disk space. How have you installed Redash? Can you allocate more resources?