From ad1ec8c8189ffbce1b82e86d0a128c3d20821b43 Mon Sep 17 00:00:00 2001
From: ErkanA <77217854+ErkanA-10NL@users.noreply.github.com>
Date: Thu, 8 Apr 2021 02:59:03 +0200
Subject: [PATCH] Add files via upload

---
 Homework.py | 383 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 383 insertions(+)
 create mode 100644 Homework.py

diff --git a/Homework.py b/Homework.py
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+"""(M:Manuel olarak, K:SQL komutlariyla, C:Python kodlariyla)
+
+Asagidaki sorulardan K ve C ile cozulmesini istediklerimizin cozumlerini
+(komut veya kodlarini) ustte sorusu altta cozumu olacak sekilde bir dosyaya yapistirip gondermenizi istiyoruz.
+
+1- 'pycoders' isimli bir server kurun. (M)
+
+2- 'class4' database olusturun (M). Database silin (M). Ayni database yine olusturun (K)
+
+   *create database class4
+
+3- https://www.postgresqltutorial.com/postgresql-sample-database/ adresine gidin ve ER modeli inceleyin.
+Tablolar arasindaki en az 5 iliskiyi yazin.(Hangi tablolar arasinda ne tur bir iliski var)
+
+   * category ile film_category arasinda (one to one) iliskisi var.
+   * film ile inventory arasinda (one to many) iliskisi var.
+   * rental ile staff arasinda (many to one) iliskisi var.
+   * adress ile store arasinda (one to many) iliskisi var.
+   * payment ile customer arasinda (many to one) iliskisi var.
+
+4- ER modeldeki tablolardan 3 tanesini M olusturun.
+
+5- ER modeldeki tablolardan 3 tanesini K olusturun.
+
+create table category (
+    category_id int NOT NULL PRIMARY KEY,
+    name varchar (20) NOT NULL,
+    last_update timestamp without time zone NOT NULL,
+        PRIMARY KEY(category_id)
+        CONSTRAINT category
+
+)
+create table film_category (
+    film_id integer NOT NULL PRIMARY KEY,
+    last_update timestamp without time zone NOT NULL
+    PRIMARY KEY(film_id)
+    CONSTRAINT film_category
+    FOREIGN KEY (category_id)
+    REFERENCES category(category_id)
+)
+create table film (
+    film_id integer NOT NULL PRIMARY KEY,
+    title varchar(20),
+    description varchar(20),
+    release_year int text
+)
+
+6- ER modeldeki tablolardan 3 tanesini C olusturun.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+command='''create table inventory (
+                inventory_id INTEGER PRIMARY KEY,
+                last_update timestamp without time zone NOT NULL
+                FOREIGN KEY (film_id)
+                FOREIGN KEY (store_id)
+
+)'''
+
+command1='''create table rental (
+                rental_id INTEGER PRIMARY KEY,
+                rental_date text
+                return_date text
+                last_update timestamp without time zone NOT NULL
+                FOREIGN KEY (inventory_id)
+                FOREIGN KEY (customer_id)
+
+)'''
+
+command2='''create table staff (
+                staff_id INTEGER PRIMARY KEY,
+                first_name varchar(20)
+                last_name varchar(20)
+                email text
+                FOREIGN KEY (address_id)
+                FOREIGN KEY (store_id)
+)'''
+
+#create a table
+cur.execute(command)
+cur.execute(command1)
+cur.execute(command2)
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+7- Olusturdugunuz 3 tabloya M ile 5 veri girisi yapin.
+
+8- Olusturdugunuz 3 tabloya K ile 5 veri girisi yapin.
+
+insert into category(category_id,name,last_update) values (1,'action','1905-10-01 19:05:00')
+insert into category(category_id,name,last_update) values (2,'comedies','1905-10-01 19:05:00')
+insert into category(category_id,name,last_update) values (3,'adventure','1905-10-01 19:05:00')
+insert into category(category_id,name,last_update) values (4,'musicals','1905-10-01 19:05:00')
+insert into category(category_id,name,last_update) values (5,'war','1905-10-01 19:05:00')
+
+insert into film_category(category_id,film_id,last_update) values (1,'1','1905-10-01 19:05:00')
+insert into film_category(category_id,film_id,last_update) values (2,'1','1905-10-01 19:05:00')
+insert into film_category(category_id,film_id,last_update) values (3,'1','1905-10-01 19:05:00')
+insert into film_category(category_id,film_id,last_update) values (4,'1','1905-10-01 19:05:00')
+insert into film_category(category_id,film_id,last_update) values (5,'1','1905-10-01 19:05:00')
+
+insert into film(film_id,description,release_year) values (1,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China','2006')
+insert into film(film_id,description,release_year) values (2,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China','2006')
+insert into film(film_id,description,release_year) values (3,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China','2006')
+insert into film(film_id,description,release_year) values (4,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China','2006')
+insert into film(film_id,description,release_year) values (5,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China','2006')
+
+9- Olusturdugunuz 3 tabloya C ile 5 veri girisi yapin.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("INSERT INTO category VALUES (%s, %s, %s)", (1,'action','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO category VALUES (%s, %s, %s)", (2,'comedies','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO category VALUES (%s, %s, %s)", (3,'adventure','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO category VALUES (%s, %s, %s)", (4,'musicals','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO category VALUES (%s, %s, %s)", (5,'war','1905-10-01 19:05:00'))
+
+cur.execute("INSERT INTO film_category VALUES (%s, %s, %s)", (1,'1','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO film_category VALUES (%s, %s, %s)", (2,'1','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO film_category VALUES (%s, %s, %s)", (3,'1','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO film_category VALUES (%s, %s, %s)", (4,'1','1905-10-01 19:05:00'))
+cur.execute("INSERT INTO film_category VALUES (%s, %s, %s)", (5,'1','1905-10-01 19:05:00'))
+
+cur.execute("INSERT INTO film VALUES (%s, %s, %s)", (1,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China',2006))
+cur.execute("INSERT INTO film VALUES (%s, %s, %s)", (2,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China',2006))
+cur.execute("INSERT INTO film VALUES (%s, %s, %s)", (3,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China',2006))
+cur.execute("INSERT INTO film VALUES (%s, %s, %s)", (4,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China',2006))
+cur.execute("INSERT INTO film VALUES (%s, %s, %s)", (5,'A Action-Packed Tale of a Man And a Lumberjack who must Reach a Feminist in Ancient China',2006))
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+10- 3 tablodaki birer veriyi M ile degistirin.
+
+11- 3 tablodaki birer veriyi K ile degistirin.
+
+UPDATE category set name='actions' where category_id=2
+UPDATE category set name='musicals' where category_id=3
+UPDATE category set name='war' where category_id=4
+
+12- 3 tablodaki birer veriyi C ile degistirin.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("UPDATE category SET category=%s WHERE category_id=%s", ('adventure',1))
+cur.execute("UPDATE film_category SET film_category=%s WHERE category_id=%s", (2,3))
+cur.execute("UPDATE film SET release_year=%s WHERE film_id=%s", (2007,5))
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+13- 3 tablonun son satirini M ile silin.
+
+14- 3 tablonun son satirini K ile silin.
+
+delete from category where category_id = 5
+delete from film_category where film_category_id = 5
+delete from film where film_id = 5
+
+15- 3 tablonun son satirini C ile silin.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("DELETE FROM category WHERE category_id = %s", (5,))
+cur.execute("DELETE FROM film_category WHERE film_category_id = %s", (5,))
+cur.execute("DELETE FROM film WHERE film_id = %s", (5,))
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+16- 1 tabloyu M ile silin.
+
+17- 1 tabloyu K ile silin.
+
+drop table film
+
+18- 1 tabloyu C ile silin.
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("drop table film")
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+19- Kalan tablolardan 1 tanesinin 2 veya 3 sutununu K ile baska bir tablo olarak olusturun.
+
+CREATE TABLE category_new AS SELECT category_id,name FROM category;
+
+20- Kalan tablolardan 1 tanesinin 2 veya 3 sutununu C ile baska bir tablo olarak olusturun.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("CREATE TABLE category_new AS SELECT category_id,name FROM category")
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+21- Tablolardan 1 tanesini M ile truncate edin.
+
+22- Tablolardan 1 tanesini K ile truncate edin.
+
+truncate table film
+
+23- Tablolardan 1 tanesini C ile truncate edin.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("TRUNCATE TABLE film")
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+24- Truncate edilmis tablolari M ile silin.
+
+25- 2 tabloyu K ile silin.
+
+drop table category
+drop table film_category
+
+26- 2 tabloyu C ile silin.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("DROP TABLE category, film_category")
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+27- Elimizde veri olan 1 tablo kalmis olmasi lazim. Bu tabloyu csv olarak bilgisayariniza yukleyin.
+
+COPY film FROM '/path/to/csv/film.txt' WITH (FORMAT csv);
+
+28- Postgresql arayuzundeki son tabloyu da K ile silin.
+
+drop table film
+
+29- Bilgisayarinizdaki csv yi arayuze import edin.
+
+import pandas as pd
+
+df = pd.read_csv (r'Path where the CSV file is stored\File film.csv')
+print (df)
+
+30- Import ettiginiz bu tabloyu C ile silin.
+
+conn = psycopg2.connect("dbname=class4, user=postgres, password=***********")
+cur = conn.cursor()
+
+cur.execute("DROP TABLE film ")
+
+# close communication with the PostgreSQL database server
+cur.close()
+# commit the changes
+conn.commit()
+# close the connection
+conn.close()
+
+31- https://www.postgresqltutorial.com/postgresql-sample-database/ linkindeki ornek DB yi bilgisayariniza indirin
+ve arayuze yukleyin.
+
+This process was done during the lesson.
+
+32- DB nizde 15 adet tablo olmasi lazim. Her tabloyu teker teker goruntuleyin ve kolon isimlerine bakarak,
+5 tabloda hangi kolonun PK ve FK oldugunu yazin.
+
+inventory==> PK:inventory_id FK:film_id,store_id
+rental==>PK:rental_id FK:inventory_id,customer_id
+payment==>PK:peyment_id FK:staff_id,customer_id,rental_id
+language==>PK:language_id FK:
+store==>PK:store_id FK:manager_staff_id,address_id
+
+Sorgular? (Asagidaki sorularin cevaplarini ve bu cevabi bulurken kullandiginiz kodlari yazin)
+
+33- Action filmlerinin ortalama suresi ne kadar?
+
+--select * from film
+select avg(length) from film where film_id=1
+
+34- En cok staff olan store hangisidir?
+
+--select * from store
+select count(*) from store where manager_staff_id=1
+
+output
+count(begint)
+1
+
+--select * from store
+select count(*) from store where manager_staff_id=2
+
+output
+count(begint)
+1
+
+35- 'Gene Willis' adli actorun oynadigi filmlerin ratingi nedir?
+
+select__??????______(select film_id from film where film_id=(select actor_id from actor where first_name='Gene' and last_name='Willis'))
+
+36- Aktif customer sayisi nedir?
+
+select count(*) from customer where active=1
+
+37- 'C' harfiyle baslayan filmler hangileridir?
+
+select * from film where title like 'C%'
+
+38- 4$ den az odeme yapan musterilerin e-mail edresleri nedir?
+
+select email from customer where customer_id in (select customer_id from payment where amount<4 )
+
+39- Moscow'da ikamet eden staff ve customer tablosu? (sadece isim/soyisim sutunu olsun)
+
+select first_name, last_name
+from staff where address_id in (select address_id from address where district like 'Mos%')
+union select first_name, last_name
+from customer where address_id in (select address_id from address where district like 'Mos%')
+
+40- En az kiralanan 5 film hangisidir?
+
+----------------------------------------------
+
+41- 2006 yilinda yayinlanan ingilizce filmler hangileridir?
+
+select title from film
+where release_year=2006 and language_id in
+(select language_id from language where name='English')
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+"""
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