Hello;

I'm trying to do some queries to Wikidata database, but I don't find the sql schema. Where is it? I found this[1] but it is incomplete and with no descriptions per field.

I search something like this.[2]

Thank you

[1] https://www.mediawiki.org/wiki/Wikibase/Schema
[2] https://www.mediawiki.org/wiki/Manual:Database_layout