BEGIN;
ALTER TABLE onboarding_sms_challenge ADD COLUMN purpose varchar(32) NOT NULL DEFAULT 'LOGIN' CHECK (purpose IN ('LOGIN','CHANGE_PASSWORD'));
ALTER TABLE customer_sms_challenge ADD COLUMN purpose varchar(32) NOT NULL DEFAULT 'LOGIN' CHECK (purpose IN ('LOGIN','CHANGE_PASSWORD'));
ALTER TABLE operator_sms_challenge ADD COLUMN purpose varchar(32) NOT NULL DEFAULT 'LOGIN' CHECK (purpose IN ('LOGIN','CHANGE_PASSWORD'));
COMMIT;