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Create Table ogrenci_ders(
ad varchar(30),
soyad varchar(30),
okulno int,
bolum_kodu varchar(10),
vize int,
final int,
akts int,
ders_kodu int
);
insert into ogrenci_ders(ad,soyad,okulno,bolum_kodu,vize,final,akts,ders_kodu)
Values('Emircan','Gümüş',2008041007,'ybs',68,95,5,25),
('Yusuf','Okuyucu',2108041034,'ybs',69,90,5,25),
('Mustafa','Aldemir',2108041007,'obs',67,80,5,23),
('Emir','Karasu',2108041003,'ybs',65,85,5,25),
('Davut','Acar',2108041004,'obs',70,80,5,23),
('Özgür','Kusak',2108041004,'ybs',50,70,5,25),
('Ayşegül','Türkgücü',2108041004,'obs',75,85,5,23),
('Canan','Abay',2108041004,'obs',75,85,5,23),
('Elif','Ercel',2108041004,'obs',85,95,5,23),
('Dilan','Özek',2108041004,'obs',80,90,5,23);
SELECT AVG (final) AS FİNAL_ORTALAMA FROM ogrenci_ders WHERE ders_kodu=23
SELECT COUNT (*) AS MEVCUT_OLAN_OGRENCİ FROM ogrenci_ders WHERE ders_kodu=56
SELECT MAX (final) AS FİNAL_MAKSİMUM FROM ogrenci_ders WHERE ders_kodu=23
SELECT MIN (final) AS FİNAL_MİNİMUM FROM ogrenci_ders WHERE ders_kodu=23
SELECT SUM (akts) AS TOPLAM_AKTS FROM ogrenci_ders WHERE bolum_kodu='obs'
Select Count(*) as Gecen From ogrenci_ders Where final >= 50 AND vize >=60
Select Concat (ad,' ',soyad) as isim From ogrenci_ders where bolum_kodu = 'obs'
Select ad,soyad,LEFT(soyad,3) as isim from ogrenci_ders where ad LIKE 'E%'
Select REPLACE (soyad,'Okuyucu','OK') from ogrenci_ders
Select * From ogrenci_ders
select dateadd(year,18,'20060731');
select dateadd(month,6,'20060731');
select dateadd(day,18,'20060731');
select dateadd(hour,6,'20060731 01:00:00');
select dateadd(minute,18,'20060731 01:00:00');
select dateadd(second,6,'20060731 01:00:00');
select DateDiff(year,'20060731 10:20:00','20080703 14:10:30')
select DateDiff(MONTH,'20060731 10:20:00','20080703 14:10:30')
select DateDiff(day,'20060731 10:20:00','20080703 14:10:30')
select DateDiff(hour,'20060731 10:20:00','20080703 14:10:30')
select DateDiff(second,'20060731 10:20:00','20080703 14:10:30')
Select DATEFROMPARTS (2019,12,31)
Select day ('2019-12-31')
Select month ('20191231')
Select year ('20191231')
Select getdate()
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