ALTER TABLE subscription_types ADD COLUMN currency_code_alpha VARCHAR(3) ALTER TABLE subscription_types CHANGE COLUMN pub disable_public_display TINYINT NOT NULL ALTER TABLE subscription_types RENAME COLUMN pub TO disable_public_display ALTER TABLE issues ADD COLUMN show_volume TINYINT NOT NULL DEFAULT 0 ALTER TABLE issues ADD COLUMN show_number TINYINT NOT NULL DEFAULT 0 ALTER TABLE issues ADD COLUMN show_year TINYINT NOT NULL DEFAULT 0 ALTER TABLE issues ADD COLUMN show_title TINYINT NOT NULL DEFAULT 0 ALTER TABLE issues ADD COLUMN show_volume SMALLINT ALTER TABLE issues ALTER COLUMN show_volume SET DEFAULT 0 UPDATE issues SET show_volume=0 ALTER TABLE issues ALTER COLUMN show_volume SET NOT NULL ALTER TABLE issues ADD COLUMN show_number SMALLINT ALTER TABLE issues ALTER COLUMN show_number SET DEFAULT 0 UPDATE issues SET show_number=0 ALTER TABLE issues ALTER COLUMN show_number SET NOT NULL ALTER TABLE issues ADD COLUMN show_year SMALLINT ALTER TABLE issues ALTER COLUMN show_year SET DEFAULT 0 UPDATE issues SET show_year=0 ALTER TABLE issues ALTER COLUMN show_year SET NOT NULL ALTER TABLE issues ADD COLUMN show_title SMALLINT ALTER TABLE issues ALTER COLUMN show_title SET DEFAULT 0 UPDATE issues SET show_title=0 ALTER TABLE issues ALTER COLUMN show_title SET NOT NULL