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use kitap
create table yazarlar(
YazarId int primary key,
YazarAdi varchar(30)
)
go
use kitap
go
create table kategori(
KategoriId int primary key,
KategoriAdi varchar(30)
)
go
use kitap
go
create table kitaplar(
KitapId int primary key,
KitapAdi varchar(30),
YazarId int,
KategoriId int,
SayfaSayisi int,
Fiyat money
)
select kategoriId,COUNT(*)as kitapsayisi from kitaplar group by KategoriId
select * from kitaplar where KategoriId IN (select KategoriId from kategori where KategoriAdi='Edebiyat') AND YazarId IN (select YazarId from yazarlar where YazarAdi!='Yaşar Kemal')
select yazarlar.YazarAdi,kitaplar.KitapAdi,kitaplar.SayfaSayisi from yazarlar,kitaplar where yazarlar.YazarId=kitaplar.YazarId
select yazarlar.YazarAdi,kitaplar.KitapAdi,kategori.KategoriAdi from yazarlar,kategori,kitaplar where yazarlar.YazarId=kitaplar.YazarId AND kategori.KategoriId=kitaplar.KategoriId
select SUM(SayfaSayisi) from kitaplar
delete from kitaplar where KategoriId IN(select KategoriId from kategori where KategoriAdi='Yeraltı Edebiyatı')
Update kitaplar SET Fiyat=Fiyat*1.5 where KategoriId IN(select KategoriId from kategori where KategoriAdi='Hikaye')
select kategori.KategoriId from kategori where KategoriId IN(select kitaplar.KitapAdi from kitaplar where kitaplar.KitapAdi IN(select yazarlar.YazarAdi from yazarlar where yazarlar.YazarAdi='Nazım Hikmet'))
select KitapAdi,Fiyat from kitaplar order by Fiyat desc
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