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From uczniowie;
2 SELECT *
From przedmioty;
3 SELECT *
From oceny
where uczen=5;
4 SELECT *
From oceny
where uczen=5 OR uczen=7;
5 SELECT uczen, ocena, data
From oceny
where uczen=7;
6 SELECT uczen, ocena, data
From oceny
where uczen>=130
order By data DESC;
7 SELECT uczen, ocena, data
From oceny
where ocena <>3
Order By ocena ASC;
8 SELECT NazwiskoUcznia, Klasa
From Uczniowie
where klasa is not null;
9 SELECT Nazwiskoucznia, Klasa
From uczniowie
where Klasa is null;
10 SELECT uczen, ocena, data
From oceny
where uczen between 20 and 255
order by uczen, ocena;
11 SELECT Nazwiskoucznia, imieucznia,klasa
From uczniowie
where klasa='2b' or klasa='2d';
12 SELECT Nazwiskoucznia, Imieucznia, klasa
From uczniowie
where klasa in ('2d','2b') ;
13 SELECT Nazwiskoucznia, Imieucznia, klasa
From uczniowie
where klasa not in ('2b','2d');
14 SELECT Nazwiskoucznia, Imieucznia, klasa
From uczniowie
where imieucznia like 'anna';
15 SELECT Nazwiskoucznia, Imieucznia, klasa
From uczniowie
where imieucznia like '*a'
order by imieucznia;
16 SELECT Nazwiskoucznia, Imieucznia, klasa
From uczniowie
where imieucznia not like '*a'
order by imieucznia desc;
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