Node.js MySQL Select from Table
Last Updated :
07 Oct, 2021
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Introduction: Learn about Selecting data from MySQL database using node.js. We are going to use standard SELECT FROM SQL Query.
Syntax:
SELECT [column] FROM [table_name]
Example:
1) SELECT * FROM customers selecting all columns from customers table. 2) SELECT name, address FROM customers
SQL users Table Preview:
Example 1: select all columns from users table
- index.js
index.js
const mysql = require( "mysql" ); let db_con = mysql.createConnection({ host: "localhost" , user: "root" , password: '' , database: 'gfg_db' }); db_con.connect((err) => { if (err) { console.log( "Database Connection Failed !!!" , err); return ; } console.log( "We are connected to gfg_db database" ); // This query will be used to select columns let query = 'SELECT * FROM users' ; db_con.query(query, (err, rows) => { if (err) throw err; console.log(rows); }); }); |
Output:
Example 2: select name column from users table
- index.js
index.js
const mysql = require( "mysql" ); let db_con = mysql.createConnection({ host: "localhost" , user: "root" , password: '' , database: 'gfg_db' }); db_con.connect((err) => { if (err) { console.log( "Database Connection Failed !!!" , err); return ; } console.log( "We are connected to gfg_db database" ); // notice the name column below let query = 'SELECT name FROM users' ; db_con.query(query, (err, rows) => { if (err) throw err; console.log(rows); }); }); |
Output: