in sololearn i cant challenge someone with weapon of sql why ? there is any reason or it is happen only with me? plz tell me

Question

i was learning sql language in sololearn but i cant challenge someone using this weapon... what is the problem behind it.

Answer 1

Sql challenges are not available (yet?).
https://www.sololearn.com/discuss/637485/?ref=app

Answer 2

can solo learn java play code support multiple classes?

Answer 3

sql is not that easy solo learn should have to allow challenges for sql