How to check account existence in its own database?
A little thinking, I thought. Came up with code (I am not the pioneer, I just guessed) - "SELECT NULL FROM `users` WHERE `login`=*username*", and so, this code will work?
How I imagine this query - "Get anything from the user table for login=**" essentially, we want to get something, but not necessary.
In General, if the query to work?