Rsa97

SELECT *
  FROM `companies`
  WHERE `id` IN (
    SELECT `company_id`
      FROM `schedule`
      WHERE `day_of_week` = 1 
        AND `start_time` <= '12:30'
        AND `end_time` > '12:30'
  )
    AND `id` NOT IN (
      SELECT `company_id`
        FROM `breaks`
        WHERE `day_of_week` = 1
          AND `break_start` <= '12:30'
          AND `break_end` > '12:30'
    )

Как будто начальное выполнение всего этого кода уже и есть таск.

trait Harvestable {
  function harvest() { }
}
trait Waterable {
  function water() { }
}
trait Repottable {
  function repot() { }
};
class Plant { }
class Vegetable extends Plant {
  use Waterable;
  use Harvestable;
}
class Fruit extends Plant {
  use Waterable;
  use Harvestable;
  use Repottable;
}
class Succulent extends Plant {
  use Repottable;
}

background: url(data:image/svg+xml,Здесь URL-кодированный SVG)

const [n, a] = [
  users.map((el) => el.name),
  users.map((el) => el.age),
];

const [n, a] = users.reduce(
  (acc, el) => {
    acc[0].push(el.name);
    acc[1].push(el.age);
    return acc;
  },
  [[][]],
);

SELECT `t1`.*
  FROM `table` AS `t1`
  JOIN `table` AS `t2` ON `t2`.`user_id` = `t1`.`friend_user_id`
    AND `t2`.`friend_user_id` = `t1`.`user_id`

SELECT `t1`.*
  FROM `table` AS `t1`
  JEFT JOIN `table` AS `t2` ON `t2`.`user_id` = `t1`.`friend_user_id`
    AND `t2`.`friend_user_id` = `t1`.`user_id`
  WHERE `t2`.`user_id` IS NULL