Default value of boolean (postgreSQL)

You're right, I managed to reproduce it. This is a bug. We'll fix it as soon as possible. Thanks for reporting this issue.

Marco, we have granted you some bonus points for reporting the bug. Collect more points and you can redeem them for a discount when you graduate and need to switch from academic account to a basic or premium plan. More on our bonus points program: http://www.vertabelo.com/bonus-points
Best regards and enjoy Vertabelo!