postgres nodejs npm code example

Example 1: npm postgres

npm install pg knex

Example 2: postgresql nodejs

const { Client } = require('pg')const client = new Client();(async () => {  await client.connect()  const res = await client.query('SELECT $1::text as message', ['Hello world!'])  console.log(res.rows[0].message) // Hello world!  await client.end()})()