Node.js MySQL Drop Table
DROP TABLE Query is used to Delete or Drop a table from MySQL Database.
Syntax:
DROP TABLE users
DROP TABLE IF EXISTS users
- mysql: To handle MySQL connection and Queries
npm install mysql
Modules:
SQL gfg_db
Database Preview (showing tables):
Example 1: Delete users Table
Javascript
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" ); // here is our query let query = 'DROP TABLE users' ; db_con.query(query, (err, rows) => { if (err) throw err; console.log( 'Deleted users Table' ); }); }); |
Output:
Example 2: Delete users Table only if it Exists
Javascript
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 if exists in below query let query = 'DROP TABLE IF EXISTS users' ; db_con.query(query, (err, rows) => { if (err) throw err; console.log( 'Deleted users Table' ); }); }); |
Output: