No stupid questions time, but given all languages, would an array based language like J be a decent choice for building a database from scratch? I mean, tables

No stupid questions time, but given all languages, would an array based language like J be a decent choice for building a database from scratch? I mean, tables seem like doubly indexed arrays. In my mind it wouldn't be readable but it'd be maybe less lines of code than other languages? I have never thought about building a database that takes into consideration CAP theorem and ACID compliance, sounds super tough. I'm usually happy enough when I learn something neat about Postgres. I thought this would be neat but it's just a kv store in JavaScript.