Which language is best for the backend?

Answer 1

First of all remove those unnecessary tags from your post.

You'll easily find in Google what is best to learn. Have a look
https://medium.com/aws-activate-startup-blog/choosing-the-right-programming-language-for-your-startup-b454be3ed5e2

Answer 2

Python
Js
Java
Php

Answer 3

*PHP
*SQl
*Node Js

Answer 4

java,sql

Answer 5

php and asp are good for it.Python or javascript can also be better option.

Answer 6

sql

Answer 7

to me its sql

Answer 8

js;sql;php;java;c++ & python.