CODE EXAMPLE FOR SQL

postgresql random phone number

SELECT '('
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT
    || ') '
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT
    || '-'
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT
    || (RANDOM() * 9)::INT;