Node JS - Node js MySQL SELECT | Node.js MySQL SELECT Unique Record - Node - Node JS tutorial - webnode




Select form a table :

  • Retrieve a unique data from the table "employees".
  • Create a js file named selectwhere.js having the following data in DB example folder.
 node-js mysql select

Learn Node js - node js Tutorial - node-js mysql select - node - Node js Examples

selectwhere.js

var mysql = require('mysql');  
var con = mysql.createConnection({  
host: "localhost",  
user: "wiki",  
password: "wikitechy12345",  
database: "wikitechy"  
});  
con.connect(function(err) {  
if (err) throw err;  
con.query("SELECT * FROM employees WHERE id = '1'", function (err, result) {  
if (err) throw err;  
console.log(result);  
});  
});  
  • Now open command terminal and run the following command: Node selectwhere.js

Output:

 node unique select

Learn Node js - node js Tutorial - node unique select - node - Node js Examples

Node.js MySQL Select Wildcard

  • Retrieve a unique data by using wildcard from the table "employees".
  • Create a js file named selectwildcard.js having the following data in DBexample folder.
mysql = require('mysql');  
var con = mysql.createConnection({  
host: "localhost",  
user: "wiki",  
password: "wikitechy12345",  
database: "wikitechy"  
});  
con.connect(function(err) {  
if (err) throw err;  
con.query("SELECT * FROM employees WHERE city LIKE 'A%'", function (err, result) {  
if (err) throw err;  
console.log(result);  
});  
});  
  • Now open command terminal and run the following command:
  • Node selectwildcard.js
  • It will retrieve the record where city start with A.
 node select wildcard

Learn Node js - node js Tutorial - node select wildcard - node - Node js Examples


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