Wladimir Fraga CS10

create_tables.sql

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+CREATE TABLE album (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title VARCHAR(128) NOT NULL,
+    release_year INTEGER
+);
+
+CREATE TABLE artist (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    name VARCHAR(128) NOT NULL
+);
+
+CREATE TABLE track (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    title VARCHAR(128) NOT NULL,
+    album_id INTEGER REFERENCES album(id)
+);
+
+CREATE TABLE artist_album (
+    artist_id INTEGER REFERENCES artist(id),
+    album_id INTEGER REFERENCES album(id)
+);

day1.sql

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+SELECT * FROM album;
+
+SELECT * FROM album WHERE release_year >= 1975 AND release_year <= 1990;
+
+SELECT * FROM album WHERE title LIKE 'Super D%';
+
+SELECT * FROM album WHERE release_year IS NULL;
+
+SELECT track.title FROM track,album WHERE album.title = 'Super Funky Album' AND album_id = album.id;
+
+SELECT track.title AS Track_Title FROM track,album WHERE album_id = album.id AND album.title = 'Super Funky Album';
+
+SELECT album.title FROM artist, artist_album, album WHERE artist.id = artist_id AND album.id = album_id AND artist.name= 'Han Solo';
+
+SELECT AVG(release_year) FROM album;
+
+SELECT AVG(release_year) FROM artist, album, artist_album WHERE artist.id = artist_album.artist_id AND album.id = artist_album.album_id AND artist.name = 'Leia and the Ewoks';
+
+SELECT COUNT() FROM artist;
+
+SELECT COUNT(track.id) FROM track, album WHERE track.album_id = album.id AND album.title = 'Super Dubstep Album';

notes.sql

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+-- Create a database for taking notes.
+
+PRAGMA foreign_keys = ON;
+
+create table author (
+id INTEGER PRIMARY KEY AUTOINCREMENT,
+name VARCHAR(64) NOT NULL
+);
+
+create table note (
+id INTEGER PRIMARY KEY AUTOINCREMENT,
+title VARCHER(128) NOT NULL,
+content VARCHAR(2056) NOT NULL,
+author_id INTEGER REFERENCES author(id),
+timestamp DATE DEFAULT (datetime('now', 'localtime'))
+);
+
+INSERT INTO author (name) VALUES ("Fausto Fraga");
+INSERT INTO author (name) VALUES ("Peter Parker");
+INSERT INTO author (name) VALUES ("Kyle Busch");
+INSERT INTO author (name) VALUES ("Amelia Badelia");
+
+
+INSERT INTO note (title, content, author_id) VALUES ("Note by Fausto", "fhkjashfjkasfhasfh", 1);
+INSERT INTO note (title, content, author_id) VALUES("Note by me", "blalbjjdsjdf ldlfaskf albab2", 2);
+INSERT INTO note (title, content, author_id) VALUES("Esto es espanol", "jfhfhf sskdsksk slsksks", 3);
+INSERT INTO note (title, content, author_id) VALUES("My note", "jfjfjfj sllsls lsldkf", 4);
+INSERT INTO note (title, content, author_id) VALUES("The best book", "kfk ldsldkl msdmdm", 3);
+INSERT INTO note (title, content, author_id) VALUES("Always good", "ksksk dskdkdk", 1);
+INSERT INTO note (title, content, author_id) VALUES("I like ham", "poquque pspdkd ", 2);
+
+
+SELECT name, title, content,  timestamp FROM note, author
+WHERE author.name = "Peter Parker"
+AND author.id = author_id;
+
+
+SELECT author.name FROM author, note
+WHERE note.id = 3 and
+author.id = author_id;
+
+
+SELECT name, count(title) FROM note, author
+WHERE author.id = author_id
+GROUP BY author.name;
+
+
+DELETE FROM author
+WHERE name = "Peter Parker";