/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

14 votes213 views2 answers
Nodejs fs delete file
Javascript Node.js
2 votes219 views1 answer
Index export in nodejs
Javascript Node.js
1 vote231 views1 answer
Node mon in loopback
Javascript Node.js
0 vote223 views2 answers
Node cron every second
Javascript Node.js
0 vote214 views1 answer
Node js list all installed modules
Javascript Node.js
1 vote223 views1 answer
Nodejs promise then example
Javascript Node.js
0 vote233 views1 answer
Nodejs get image size
Javascript Node.js
61 votes238 views6 answers
Node sass version 5.0.0 is incompatible with ^4.0.0
Javascript Node.js
0 vote221 views1 answer
How to access node js server from another computer
Javascript Node.js
8 votes249 views2 answers
Settimeout node js
Javascript Node.js