MySQL passwords SHA512 using AES_ENCRYPT instead of ENCRYPT?
----- 2014-09-25 5.7.5 Milestone 15 -- Security Notes -- -----
Incompatible Change: MySQL 5.6 deprecated passwords that used the older pre-4.1 password hashing format. Support for these passwords is now removed, which involves the following changes. Applications that use any feature no longer supported must be modified.

Playing around with passwords seems like a dumb thing to have in a tutorial.  Please skip that section and move on.