Doing science!

when I run a “simple” query, DOING SCIENCE taking a long time until in the main tables I created it

Hi @Moe
You have to provide much more details. There’s probably 5-10 more things, but let’s start with this:
Which version of Metabase? What metadata database are you using?
Which database are you querying? Is it local or remote?
What’s the load of Metabase and the database?

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thanks for your time! I checked the number of users in Metabase, the number was 12 users. I deactivated most of their accounts then restarted the server and increased the ram capacity. the result was good and my queries are so fast.