Merge pull request #38 from hafiz1379/sql_based_on_uml_music_genre

Catalog of my Things | SQL Schema - Music & Genre classes + main DB

schema.sql

@@ -1,22 +1,52 @@
+DROP DATABASE IF EXISTS catalog_of_my_things;
+DROP TABLE IF EXISTS Music_album, Game, Book, Item, Label, Genre, Author;
+
+CREATE DATABASE catalog_of_my_things;
+
+CREATE TABLE Author (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    first_name VARCHAR(255) NOT NULL,
+    last_name VARCHAR(255) NOT NULL
+);
+
+CREATE TABLE Genre (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    name VARCHAR(255) NOT NULL
+);
+
 CREATE TABLE Label (
     id INT PRIMARY KEY AUTO_INCREMENT,
-    title VARCHAR(255),
+    title VARCHAR(255) NOT NULL,
     color VARCHAR(20)
 );
 
 CREATE TABLE Item (
     id INT PRIMARY KEY AUTO_INCREMENT,
 
-    label_id INT,
-    publish_date DATE,
-    archived BOOLEAN,
+    label_id INT NOT NULL,
+    publish_date DATE NOT NULL,
+    archived BOOLEAN NOT NULL,
 
     FOREIGN KEY (label_id) REFERENCES Label(id)
 );
 
+CREATE TABLE Music_album (
+    id INT PRIMARY KEY AUTO_INCREMENT,
+    on_spotify BOOLEAN NOT NULL,
+    item_id INT NOT NULL,
+    FOREIGN KEY (item_id) REFERENCES Item(id)
+);
+
 CREATE TABLE Book (
     item_id INT PRIMARY KEY,
-    publisher VARCHAR(255),
+    publisher VARCHAR(255) NOT NULL,
     cover_state VARCHAR(50),
     FOREIGN KEY (item_id) REFERENCES Item(id)
+);
+
+CREATE TABLE Game (
+    item_id INT PRIMARY KEY,
+    multiplayer BIT NOT NULL,
+    last_played_at DATE NOT NULL,
+    FOREIGN KEY (item_id) REFERENCES Item(id)
 );