/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

0 vote123 views1 answer
How to change function name while exporting in node
Javascript Node.js
0 vote125 views3 answers
Latitude and longitude distance calculate in node js
Javascript Node.js
0 vote117 views1 answer
Node js hello word
Javascript Node.js
0 vote119 views1 answer
Node get value from map
Javascript Node.js
0 vote134 views1 answer
Upload different files in different folders using Multer in NodeJs
Javascript Node.js
19 votes130 views2 answers
Node fetch response body
Javascript Node.js
2 votes118 views1 answer
Nodejs array buffer to buffer
Javascript Node.js
-1 vote115 views1 answer
Render html in node js
Javascript Node.js
0 vote117 views1 answer
How to get os information nodejs
Javascript Node.js
1 vote125 views1 answer
Node js get time in timezone
Javascript Node.js