SELECT * FROM
(SELECT `ПР`.`Noo` AS Noo, COUNT(`ПР`.`Np`) AS C_Tot
FROM
`ПР`
GROUP BY `ПР`.`Noo`) TotProj
JOIN
(SELECT
    `ОТ`.`No` AS Noo,
    COUNT(DISTINCT `ПР`.`Np`) AS C_Sat
FROM
    `СЛ`
JOIN
    `ОТ`
ON
    `ОТ`.`КодР` = `СЛ`.`КодК`
JOIN
    `ПР`
ON
    `ОТ`.`No` = `ПР`.`Noo`
JOIN
    `Р_Н`
ON
    `СЛ`.`Код` = `Р_Н`.`Код` AND `Р_Н`.`Np` = `ПР`.`Np`
GROUP BY
    `ОТ`.`No`) SatProj
ON TotProj.Noo = SatProj.Noo
WHERE TotProj.C_Tot = SatProj.C_Sat