It was very hard kata because I don't know PostgreSQL yet, but it was very interesting experience. Spent two days to solve this kata) Thank you so much!

Thanks, I passed!

Because these two behave very differently. Most of the challenges are intended to be run with Postgres.

Ok, but why on SQlite simple query doesn't returns an error and on PostgreSQL returns?

You don't have to create a new table. You are supposed to write a SELECT query. I will clarify this in the solution setup.

Hi everyone, there is a problem with table Numbers. Even simple query 'select * from Numbers' returns error