“MySQL Поиск нескольких таблиц” Ответ

MySQL Поиск нескольких таблиц

SELECT
  users_first_name,
  users_last_name
FROM
  (
    (
      SELECT
        users.first_name AS users_first_name,
        users.last_name AS users_last_name
      FROM
        users
        INNER JOIN companies ON companies.id = users.company_id
      WHERE
        (
          users.last_name LIKE 'TERM%'
        )
    )
    UNION
      DISTINCT (
        SELECT
          users.first_name AS users_first_name,
          users.last_name AS users_last_name
        FROM
          users
          INNER JOIN companies ON companies.id = users.company_id
        WHERE
          (users.first_name LIKE 'TERM%')
      )
    UNION
      DISTINCT (
        SELECT
          users.first_name AS users_first_name,
          users.last_name AS users_last_name
        FROM
          users
          INNER JOIN companies ON companies.id = users.company_id
        WHERE
          (companies.name LIKE 'TERM%')
      )
  ) AS union1;