Is it correct to keep a database connection open or open on every request in Node.js?

Question

MySQL

Good day, I have a lamer question. When writing a Node.js application using a mysql database, I connect to the database and use one connection for user requests.
Tell me, please, knowledgeable people, is it more correct to keep the connection or open / close it every time a request is made from the client?

Answer 1

Create a pool once (when the application starts). With each request, pull the connection from the pool