NETB380/SQL QT.txt at master · Fenigor/NETB380 · GitHub

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CREATE TABLE Artist (
Artist_ID SERIAL PRIMARY KEY,
Artist_Name varchar(255)
);

CREATE TABLE Album (
Album_ID SERIAL PRIMARY KEY,
Album_Name varchar(255)
);

CREATE TABLE Genre(
Genre_ID SERIAL PRIMARY KEY,
Genre_Type varchar(255)
);

CREATE TABLE Songs(
Song_ID SERIAL PRIMARY KEY,
Song_Name varchar(255),
Artist int,
Album int,
Address varchar(255),
Genre int,
Year int ,
CONSTRAINT Artist FOREIGN KEY (Artist )
REFERENCES Artist(Artist_ID),
CONSTRAINT Album FOREIGN KEY (Album )
REFERENCES Album (Album_ID),
CONSTRAINT Genre FOREIGN KEY (Genre)
REFERENCES Genre(Genre_ID)
);

INSERT INTO genre (Genre_Type) VALUES ('Cheese');
INSERT INTO album(Album_Name) VALUES ('Story of Pain');
INSERT INTO artist(Artist_Name) VALUES ('Milen');

INSERT INTO songs(Song_Name ,Artist ,Album ,Address ,Genre ,Year ) VALUES ('Znam',1,1,'D:/',1,2015);
INSERT INTO songs(Song_Name ,Artist ,Album ,Address ,Genre ,Year ) VALUES ('NE Znam',2,2,'D:/',2,2010);

select songs.song_name,artist.artist_name,album.album_name, songs.address,genre.genre_type, songs.year from songs
join artist
on songs.artist = artist.artist_id
join album
on songs.album = album_id
join genre
on songs.genre = genre_id

select songs.song_name, artist.artist_name, album.album_name,genre.genre_type, songs.address
from songs
join artist on songs.artist = artist.artist_id
join album on songs.album = album_id
join genre on songs.genre = genre_id
where song_name = 'R U Crazy'

# MERSI NA QNKO
create view songs_full_info as
select songs.song_name,artist.artist_name,album.album_name, songs.address,genre.genre_type, songs.year from songs \
    join artist on songs.artist = artist.artist_id \
    join album on songs.album = album_id \
    join genre on songs.genre = genre_id

INSERT INTO genre (Genre_Type) VALUES ('Blues');
INSERT INTO genre (Genre_Type) VALUES ('Classic Rock');
INSERT INTO genre (Genre_Type) VALUES ('Country');
INSERT INTO genre (Genre_Type) VALUES ('Dance');
INSERT INTO genre (Genre_Type) VALUES ('Disco');
INSERT INTO genre (Genre_Type) VALUES ('Funk');
INSERT INTO genre (Genre_Type) VALUES ('Grunge');
INSERT INTO genre (Genre_Type) VALUES ('Hip-Hop');
INSERT INTO genre (Genre_Type) VALUES ('Jazz');
INSERT INTO genre (Genre_Type) VALUES ('Metal');
INSERT INTO genre (Genre_Type) VALUES ('New Age');
INSERT INTO genre (Genre_Type) VALUES ('Oldies');
INSERT INTO genre (Genre_Type) VALUES ('Other');
INSERT INTO genre (Genre_Type) VALUES ('Pop');
INSERT INTO genre (Genre_Type) VALUES ('R&B');
INSERT INTO genre (Genre_Type) VALUES ('Rap');
INSERT INTO genre (Genre_Type) VALUES ('Reggae');
INSERT INTO genre (Genre_Type) VALUES ('Rock');
INSERT INTO genre (Genre_Type) VALUES ('Techno');
INSERT INTO genre (Genre_Type) VALUES ('Industrial');
INSERT INTO genre (Genre_Type) VALUES ('Alternative');
INSERT INTO genre (Genre_Type) VALUES ('Metal');
INSERT INTO genre (Genre_Type) VALUES ('Ska');
INSERT INTO genre (Genre_Type) VALUES ('Death Metal');
INSERT INTO genre (Genre_Type) VALUES ('Pranks');
INSERT INTO genre (Genre_Type) VALUES ('Soundtrack');
INSERT INTO genre (Genre_Type) VALUES ('Euro-Techno');
INSERT INTO genre (Genre_Type) VALUES ('Ambient');
INSERT INTO genre (Genre_Type) VALUES ('Trip-Hop');
INSERT INTO genre (Genre_Type) VALUES ('Vocal');
INSERT INTO genre (Genre_Type) VALUES ('Jazz+Funk');
INSERT INTO genre (Genre_Type) VALUES ('Fusion');
INSERT INTO genre (Genre_Type) VALUES ('Trance');
INSERT INTO genre (Genre_Type) VALUES ('Classical');
INSERT INTO genre (Genre_Type) VALUES ('Instrumental');
INSERT INTO genre (Genre_Type) VALUES ('Acid');
INSERT INTO genre (Genre_Type) VALUES ('House');
INSERT INTO genre (Genre_Type) VALUES ('Game');
INSERT INTO genre (Genre_Type) VALUES ('Sound Clip');
INSERT INTO genre (Genre_Type) VALUES ('Gospel');
INSERT INTO genre (Genre_Type) VALUES ('Noise');
INSERT INTO genre (Genre_Type) VALUES ('AlternRock');
INSERT INTO genre (Genre_Type) VALUES ('Bass');
INSERT INTO genre (Genre_Type) VALUES ('Soul');
INSERT INTO genre (Genre_Type) VALUES ('Punk');
INSERT INTO genre (Genre_Type) VALUES ('Space');
INSERT INTO genre (Genre_Type) VALUES ('Meditative');
INSERT INTO genre (Genre_Type) VALUES ('Instrumental Pop');

SELECT EXISTS(SELECT song_name FROM songs where Song_Name ='Little World' AND Artist = 1)