No. In reality, it's incredibly hard to migrate any database to another database. Even if you have high test coverage, there can be some corner cases bite you later. Hack, simply a version upgrade can have all kinds of problems.

There is a way that it does not. It is flexibly typed so you can insert a string into an integer column. This is by design.

This also means you’ll run into trouble when you try to move it to most SQL databases which are strongly typed.