/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 vote163 views1 answer
Node assert
Javascript Node.js
8 votes158 views2 answers
Settimeout node js
Javascript Node.js
0 vote171 views1 answer
Performance.now nodejs example
Javascript Node.js
0 vote161 views1 answer
Shopify functions nodejs
Javascript Node.js
3 votes156 views3 answers
Nodejs increase heap size
Javascript Node.js
0 vote172 views1 answer
Forget mot de passe api nodejs mongodb example
Javascript Node.js
4 votes153 views2 answers
How to install package.json in node js
Javascript Node.js
61 votes300 views6 answers
Node sass version 5.0.0 is incompatible with ^4.0.0
Javascript Node.js
48 votes327 views3 answers
Node sass version 6.0.0 is incompatible with 4.0.0
Javascript Node.js
0 vote164 views1 answer
Nodejs RPL
Javascript Node.js