Vérifier la contrainte est violée
CONSTRAINT ck_ni_number
CHECK (REGEXP_LIKE(ni_number, '[a-z][a-z][0-9][0-9][0-9][0-9][0-9][0-9][a-z]'))
Clear Chamois
CONSTRAINT ck_ni_number
CHECK (REGEXP_LIKE(ni_number, '[a-z][a-z][0-9][0-9][0-9][0-9][0-9][0-9][a-z]'))