node_postgres/script.js

const { Pool, Client } = require('pg')
/*
const pool = new Pool({
    user: 'api',
    host: '192.168.1.110',
    database: 'ubm',
    password: 'qqqx53!028',
    port: 5433,
})
pool.query('SELECT NOW()', (err, res) => {
  console.log(err, res)
  pool.end()
})
*/
const client = new Client({
    user: 'api',
    host: '192.168.1.110',
    database: 'ubm',
    password: 'qqqx53!028',
    port: 5433,
})
client.connect()
client.query('SELECT * from pg_stat_activity', (err, res) => {
  console.log(err, res)
  client.end()
})