1)SELECT * FROM `pytania` WHERE `id`=15
2)SELECT * FROM `pytania` WHERE `answer`='a'
3)SELECT * FROM `pytania` WHERE `rok`=2007
4)SELECT * FROM `pytania` WHERE `kategoria`='programowanie' AND `rok`=2009
5)SELECT tresc,odpa,odpb,odpc,odpd FROM `pytania` WHERE `rok`=2010
6)SELECT * FROM `pytania` ORDER BY `tresc` ASC
7)SELECT tresc FROM `pytania` WHERE id BETWEEN 10 and 12
8)SELECT * FROM pytania WHERE tresc LIKE 'Jak%'
9)SELECT * FROM pytania WHERE tresc LIKE '%C++%'
10)SELECT * FROM `pytania` WHERE `kategoria`='programowanie' AND `kategoria`='systemy operacyjne i sieci' AND `rok`=2012