week_12

week_12.py

@@ -0,0 +1,189 @@
+"""2.soru
+create databates class_4 """
+"""5.soru:
+create table rentall
+(
+    rental_id integer primary key NOT NULL,
+    rental_date integer NOT NULL,
+	inventory_id integer NOT NULL,
+	customer_id integer NOT NULL,
+	return_date integer NOT NULL,
+	staff_id integer NOT NULL,
+	last_update integer NOT NULL,
+);
+
+create table payment
+(
+payment_id integer primary key not null,
+	customer_id integer,
+	staff_id integer,
+	rental_id integer,
+	amount integer,
+	payment_date integer);
+create table language
+(
+language_id integer primary key not null,
+	name integer ,
+	last_update integer
+	);
+"""
+
+"""6.soru"""
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+command = '''create table actor
+(
+    actor_id integer primary key ,
+    first_name varchar(15) NOT NULL,
+    last_name varchar(10) NOT NULL,
+    last_update integer
+)'''
+cur.execute(command)
+cur.close()
+conn.commit()
+conn.close()
+
+
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+command = '''create table store
+(
+    store_id integer primary key ,
+    manager_staff_id integer NOT NULL,
+    adress_id integer NOT NULL,
+    last_update integer
+)'''
+cur.execute(command)
+cur.close()
+conn.commit()
+conn.close()
+
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+command = '''create table city
+(
+    city_id integer primary key ,
+    city integer NOT NULL,
+    country_id integer NOT NULL,
+    last_update integer
+)'''
+cur.execute(command)
+cur.close()
+conn.commit()
+conn.close()
+
+"""8.soru
+insert into category(category_id,name,last_update) values(1,'action',2006)
+insert into category(category_id,name,last_update) values(2,'comedy',2006)
+insert into category(category_id,name,last_update) values(3,'drama',2006)
+insert into category(category_id,name,last_update) values(4,'documantary',2006)
+insert into category(category_id,name,last_update) values(5,'family',2006)"""
+
+"""9.soru"""
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute('insert into city values(%s,%s,%s,%s)',(1,35,2003,'İzmir'))
+cur.close()
+conn.commit()
+conn.close()
+
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute('insert into city values(%s,%s,%s,%s)',(2,34,2003,'İstanbul'))
+cur.close()
+conn.commit()
+conn.close()
+
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute('insert into language values(%s,%s,%s)',(1,2003,'english'))
+cur.close()
+conn.commit()
+conn.close()
+
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute('insert into language values(%s,%s,%s)',(2,2003,'german'))
+cur.close()
+conn.commit()
+conn.close()
+
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute('insert into film_category values(%s,%s,%s)',(1,23,2006))
+cur.close()
+conn.commit()
+conn.close()
+"""11.soru
+UPDATE category set  name='science fiction' where category_id=2
+UPDATE city set city='ısparta' where city_id=2
+UPDATE language set name='french' where language_id=1   """
+
+"12.soru"
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute("update city set city=%s where city_id=%s", ('aydın',1))
+cur.execute("update category set name=%s where category_id=%s", ('horror',1))
+cur.execute("update language set name=%s where language_id=%s", ('italian',2))
+cur.close()
+conn.commit()
+conn.close()
+
+"""14.soru
+delete from category where category_id=2
+delete from city where city_id=1
+delete from language where language_id=3 """
+
+"""15.soru"""
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute("delete from category where category_id=%s ", (1,))
+cur.execute("delete from city where city_id=%s ", (2,))
+cur.execute("delete from language where language_id=%s ", (1,))
+cur.close()
+conn.commit()
+conn.close()
+
+"""17.soru
+drop table actor"""
+
+"""18.soru"""
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute("drop table inventory")
+cur.close()
+conn.commit()
+conn.close()
+
+"""22.soru
+truncate table language"""
+
+"""23.soru"""
+import psycopg2
+conn = psycopg2.connect("dbname=class_4 user=postgres password=F96f96f96 port=2529")
+cur = conn.cursor()
+cur.execute("truncate table payment")
+cur.close()
+conn.commit()
+conn.close()
+"""33.soru
+select avg(length) from film where film_id in (select film_id from film_category where category_id=1)
+answer=111.6093750000000000"""
+
+"""37.soru
+select * from film where title like 'C%'
+"""
+
+"""41.soru
+select title from film where release_year=2006 and language_id in (select language_id from language where name='English')"""