Been reading a little bit about MySQL check constraints - not 'new', but new to me. Index/enum on steroids? https://dev.mysql.com/blog-archive/mysql-8-0-16-introducing-check-constraint/
MySQL :: MySQL 8.0.16 Introducing CHECK constraint

@aaronsaray my favourite part is how an 8.0.x is adding "one of the most requested and long awaited features" and not even like an 8.1 lol.