LOAD_FILE returns NULL

Question

I am trying to insert an image into my MySQL server. I have done some research and it looks like the best way to do that is through LOAD_FILE(). However,

Answer 1

"FILE" is an administrative privilege. When you say that ALL privileges have been granted, does that include global administrative privileges too?

Here's the syntax http://dev.mysql.com/doc/refman/5.1/en/grant.html#grant-global-privileges, but I found "MySQL Workbench" GUI more helpful.

Check out OS file permissions, too.