Indian English: yes all database structure modifications required via migration;
English-English: When you add/remove/update a table column, create a migration class for the change (a class which extends Phinx) by running bin/cake migrations create {nameOfTheMigration}.
Later (laughing my ass off):
Indian 1: Cause tried on three diff computers
works ok
Now in morning on Amsterdam
Indian 2: I am the only windows here.