What is the difference between synchronous and asynchronous programming (in node.js)

Question

I\'ve been reading nodebeginner And I came across the following two pieces of code.

The first one:

    var result = database.query(\"SELECT * FROM hu         


        

Answer 1

The main difference is with asynchronous programming, you don't stop execution otherwise. You can continue executing other code while the 'request' is being made.