1. SELECT `dataZadania`, `wpis` FROM `zadania` WHERE `miesiac`='sierpien';
2. SELECT `miesiac`,`rok` FROM `zadania` WHERE `dataZadania`= '2020-08-07';
3. SELECT `miesiac`, COUNT(`wpis`) as `ilosc_wpisow` FROM `zadania` WHERE `wpis` LIKE "Weterynarz%";
4. UPDATE `zadania` SET `wpis` ="Wycieczka: Zalew Mietkowski"  WHERE `dataZadania`= '2020-08-09'