create table Habits ( id integer primary key autoincrement, archived integer, color integer, description text, freq_den integer, freq_num integer highlight integer, name text, position integer, reminder_hour integer, reminder_min integer )
create table Checkmarks ( id integer primary key autoincrement, habit integer references habits(id), timestamp integer, value integer )
create table Repetitions ( id integer primary key autoincrement, habit integer references habits(id), timestamp integer )
create table Streak ( id integer primary key autoincrement, end integer, habit integer references habits(id), length integer, start integer )
create table Score ( id integer primary key autoincrement, habit integer references habits(id), score integer, timestamp integer )