I'm aware those guys have such a database, but I couldn't find any way to download it. Not even access it by an API. Is there any one of those available for download?
Here's a SQL database for cards from Base Set => Double Crisis:
I'm a little late, but better late than never!
I recently developed a Pokémon TCG API that allows anyone to consume Pokémon card and set data in JSON format. It has data from every set, starting with Base. For full details, check out the homepage at https://pokemontcg.io