apteka va tumanlar

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jeltaya chernaya diagonalnie bloki bazovaya prostaya prezentatsiya 1-mustaqil ish dorixona ma'lumotlar bazasi mohiyat aloqa modeli apteka va tumanlar tableni yaratamiz tablega yangi ustun qo'shish bazaga ma'lumot kiritish ma'lumotni o'chirish ma'lumotni o'zgartirish ustunni o'chirish 2-mustaqil ish upper va lower operatorlari length va subtr order by group by having va sum countopertori orqali 3 xil doridan ko'p sotgan aptekalar image1.png image2.svg image3.png image4.png image5.png image6.png image7.png image8.png image9.png image10.svg image11.png image12.png image13.png image14.png image15.png image16.svg image17.png image18.png image19.png image20.png image21.png image22.png image23.png image24.png image25.png pt 00 hoovh create table tuman ( ‘id bigint not null primary key, nomi varchar (255) create table apteka ( ‘id bigint not null primary key, nomi varchar (255) not null, manzil varchar (255) not null, tuman_id bigint not null, foreign key(tuman_id) references tuman (id) aurwnr create table ishchi ( id bigint not null primary key, ‘ismi varchar (255) not null, apteka_id bigint not null, foreign key(apteka_id) references …

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, lower (nomi) 2 from apteka 3 where tuman_id in (2,3) 4 data output explain messages n 4 ip bit 4 a a 1 1 shifo 2 2. davo 3 3 apteka3 4 4 apteka 4 select id , substr(nomi,1,1) 1 2 from apteka 3 where tuman_id in (2,3) 4 data output explain messages id o ‘substr 4 [pk}bigint 7 text 1 1s 2 2 3 ba 4 4 notifications 1 select id , length(nomi) 2 from apteka 3 where tuman_id in (2,3) 4 data output explain messages _notifica 4 ip bit 4 er a 1 1 5 2 2 4 3 3 8 4 4 8 1 select * from apteka order by tuman_id; data output explain id 4 [pk] bigint 2 3 4 ¢ ‘nomi character varying (255) shifo davo apteka 3 apteka 4 messages notifications go mani ‘character varying (255) ogi ota manzil2 manzil3 manzil 4 eo …

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jeltaya chernaya diagonalnie bloki bazovaya prostaya prezentatsiya 1-mustaqil ish dorixona ma'lumotlar bazasi mohiyat aloqa modeli apteka va tumanlar tableni yaratamiz tablega yangi ustun qo'shish bazaga ma'lumot kiritish ma'lumotni o'chirish ma'lumotni o'zgartirish ustunni o'chirish 2-mustaqil ish upper va lower operatorlari length va subtr order by group by having va sum countopertori orqali 3 xil doridan ko'p sotgan aptekalar image1.png image2.svg image3.png image4.png image5.png image6.png image7.png image8.png image9.png image10.svg image11.png image12.png image13.png image14.png image15.png image16.svg image17.png image18.png image19.png image20.png image21.png image22.png image23.png image24.png image25.png pt 00 hoovh create table tuman ( ‘id bigint not null primary key, nomi varch...

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