SQL Server's OpenJson function will let you dismantle JSON structures into relational tables, including tables with foreign/primary key relationships. As I noted in an earlier column, JSON is great ...

Converting JSON Objects to Relational Tables: Flattening the Object. Here's how you can use SQL Server's OpenJson function to dismantle JSON structures into relational tables targeting either ...

If you need to convert that file from CSV to JSON, you can do that with the csvjson command like so: csvjson clients.csv > clients.json. Csvkit has a couple of other handy tricks up its sleeve.