#12 add new resources.

nodejs/app6/connectpgsql/delete_data_main.js

@@ -0,0 +1,25 @@
+const { Client } = require('pg')
+const client = new Client({
+    user: 'postgres',
+    host: 'localhost',
+    database: 'employee_db',
+    password: 'postgres',
+    port: 5432
+})
+
+client.connect();
+
+const query = {
+    text: 'DELETE FROM users WHERE id=$1',
+    values: [3],
+};
+
+client.query(query, (err, res) => {
+
+    if (err) {
+        console.log(err.stack());
+        return;
+    }
+    console.log('delete success.');
+    console.log(res);
+});

nodejs/app6/connectpgsql/insert_data_main.js

@@ -0,0 +1,24 @@
+const { Client } = require('pg')
+
+const client = new Client({
+    user: 'postgres',
+    host: 'localhost',
+    database: 'employee_db',
+    password: 'postgres',
+    port: 5432
+});
+
+client.connect();
+
+const query = {
+    text: 'INSERT INTO users(id, email, first_name, last_name) VALUES($1, $2, $3, $4)',
+    values: [3, '[email protected]', 'fred', 'hopkins'],
+};
+
+client.query(query, (err, res) => {
+    if (err) {
+        console.log(err.stack());
+        return;
+    }
+    console.log("insert success.");
+});