/Javascript/Node.js/Node js check if a user exists in mysql

Node js check if a user exists in mysql

connectDB.query("SELECT ACCOUNT_ID FROM registration WHERE ACCOUNT_ID = '"+ userAccnt +"'", function(err, result, field){
     if(result.length === 0){
        //new user logic
}else{  
    //existing user, redirect to another page 
 }
        }

Source: stackoverflow.com

Similar codes

18 votes163 views2 answers
Node js gitignore
Javascript Node.js
-1 vote158 views2 answers
Where to create service angularor nodejs
Javascript Node.js
0 vote153 views1 answer
Send variable data from node js to front end javascript
Javascript Node.js
18 votes147 views2 answers
.gitignore nodejs
Javascript Node.js
3 votes152 views1 answer
Node js request async await
Javascript Node.js
0 vote162 views5 answers
Get data from mongodb node js using mongoose
Javascript Node.js
0 vote185 views1 answer
How to render a new page in node js through express
Javascript Node.js
62 votes276 views6 answers
Update nodejs ubuntu
Javascript Node.js
5 votes150 views1 answer
Edit json via nodejs
Javascript Node.js
-1 vote162 views4 answers
Python to node js converter
Javascript Node.js