Oracle.Tutorial fournit une base de données ‘Exemple’ pour l’expérimentation avec le SGBD Oracle.
Nous utiliserons cette DB pour les apprentissages sur les fonctions, procédures, déclencheurs, …
Les directives pour l’installation de la BD sont disponibles ici
Voici le schéma de la base de données
Laboratoire partie A
Il faut créer, sur le SGBD à 192.168.138.58 (user:sys, pws: 4205D3) une PDB nommé ‘M’+ votre matricule, avec un utilisateur nommé ‘ot’.
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-- Par exemple,
show con_name;
-- Si pas au contexte racine alors:
ALTER SESSION SET CONTAINER = CDB$ROOT
CREATE PLUGGABLE DATABASE M12345678 ADMIN ot IDENTIFIED BY password create_file_dest='/home/oracle';
show pdbs;
ALTER SESSION SET CONTAINER = M12345678 ;
ALTER DATABASE OPEN;
GRANT CONNECT, RESOURCE, DBA TO ot;
-- Puis, ouvrir une nouvelle connexion avec l'utilisateur 'ot'
-- Par exemple,
show con_name;
-- Si pas au contexte racine alors:
ALTER SESSION SET CONTAINER = CDB$ROOT
CREATE PLUGGABLE DATABASE M12345678 ADMIN ot IDENTIFIED BY password create_file_dest='/home/oracle' ;
show pdbs;
ALTER SESSION SET CONTAINER = M12345678 ;
ALTER DATABASE OPEN;
GRANT CONNECT, RESOURCE, DBA TO ot;
-- Puis, ouvrir une nouvelle connexion avec l'utilisateur 'ot'
-- Par exemple,
show con_name;
-- Si pas au contexte racine alors:
ALTER SESSION SET CONTAINER = CDB$ROOT
CREATE PLUGGABLE DATABASE M12345678 ADMIN ot IDENTIFIED BY password create_file_dest='/home/oracle' ;
show pdbs;
ALTER SESSION SET CONTAINER = M12345678 ;
ALTER DATABASE OPEN;
GRANT CONNECT, RESOURCE, DBA TO ot;
-- Puis, ouvrir une nouvelle connexion avec l'utilisateur 'ot'
location_id NUMBER GENERATED BY DEFAULT AS IDENTITY START WITH 24
PRIMARY KEY ,
address VARCHAR2(255) NOT NULL,
postal_code VARCHAR2(20) ,
city VARCHAR2(50) ,
state VARCHAR2(50) ,
country_id CHAR(2) , -- fk
CONSTRAINT fk_locations_countries
FOREIGN KEY( country_id )
REFERENCES countries( country_id )
ON DELETE CASCADE
);
-- warehouses
CREATE TABLE warehouses
(
warehouse_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 10
PRIMARY KEY,
warehouse_name VARCHAR(255) ,
location_id NUMBER(12, 0), -- fk
CONSTRAINT fk_warehouses_locations
FOREIGN KEY( location_id )
REFERENCES locations( location_id )
ON DELETE CASCADE
);
-- employees
CREATE TABLE employees
(
employee_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 108
PRIMARY KEY,
first_name VARCHAR(255) NOT NULL,
last_name VARCHAR(255) NOT NULL,
email VARCHAR(255) NOT NULL,
phone VARCHAR(50) NOT NULL ,
hire_date DATE NOT NULL ,
manager_id NUMBER(12, 0) , -- fk
job_title VARCHAR(255) NOT NULL,
CONSTRAINT fk_employees_manager
FOREIGN KEY( manager_id )
REFERENCES employees( employee_id )
ON DELETE CASCADE
);
-- product category
CREATE TABLE product_categories
(
category_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 6
PRIMARY KEY,
category_name VARCHAR2(255) NOT NULL
);
-- products table
CREATE TABLE products
(
product_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 289
PRIMARY KEY,
product_name VARCHAR2(255) NOT NULL,
description VARCHAR2(2000) ,
standard_cost NUMBER(9, 2) ,
list_price NUMBER(9, 2) ,
category_id NUMBER NOT NULL ,
CONSTRAINT fk_products_categories
FOREIGN KEY( category_id )
REFERENCES product_categories( category_id )
ON DELETE CASCADE
);
-- customers
CREATE TABLE customers
(
customer_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 320
PRIMARY KEY,
name VARCHAR2(255) NOT NULL,
address VARCHAR2(255) ,
website VARCHAR2(255) ,
credit_limit NUMBER(8, 2)
);
-- contacts
CREATE TABLE contacts
(
contact_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 320
PRIMARY KEY,
first_name VARCHAR2(255) NOT NULL,
last_name VARCHAR2(255) NOT NULL,
email VARCHAR2(255) NOT NULL,
phone VARCHAR2(20) ,
customer_id NUMBER ,
CONSTRAINT fk_contacts_customers
FOREIGN KEY( customer_id )
REFERENCES customers( customer_id )
ON DELETE CASCADE
);
-- orders table
CREATE TABLE orders
(
order_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 106
PRIMARY KEY,
customer_id NUMBER(6, 0) NOT NULL, -- fk
status VARCHAR(20) NOT NULL ,
salesman_id NUMBER(6, 0) , -- fk
order_date DATE NOT NULL ,
CONSTRAINT fk_orders_customers
FOREIGN KEY( customer_id )
REFERENCES customers( customer_id )
ON DELETE CASCADE,
CONSTRAINT fk_orders_employees
FOREIGN KEY( salesman_id )
REFERENCES employees( employee_id )
ON DELETE SET NULL
);
-- order items
CREATE TABLE order_items
(
order_id NUMBER(12, 0) , -- fk
item_id NUMBER(12, 0) ,
product_id NUMBER(12, 0) NOT NULL , -- fk
quantity NUMBER(8, 2) NOT NULL ,
unit_price NUMBER(8, 2) NOT NULL ,
CONSTRAINT pk_order_items
PRIMARY KEY( order_id, item_id ),
CONSTRAINT fk_order_items_products
FOREIGN KEY( product_id )
REFERENCES products( product_id )
ON DELETE CASCADE,
CONSTRAINT fk_order_items_orders
FOREIGN KEY( order_id )
REFERENCES orders( order_id )
ON DELETE CASCADE
);
-- inventories
CREATE TABLE inventories
(
product_id NUMBER(12, 0) , -- fk
warehouse_id NUMBER(12, 0) , -- fk
quantity NUMBER(8, 0) NOT NULL,
CONSTRAINT pk_inventories
PRIMARY KEY( product_id, warehouse_id ),
CONSTRAINT fk_inventories_products
FOREIGN KEY( product_id )
REFERENCES products( product_id )
ON DELETE CASCADE,
CONSTRAINT fk_inventories_warehouses
FOREIGN KEY( warehouse_id )
REFERENCES warehouses( warehouse_id )
ON DELETE CASCADE
);
-- regions
CREATE TABLE regions
(
region_id NUMBER GENERATED BY DEFAULT AS IDENTITY
START WITH 5 PRIMARY KEY,
region_name VARCHAR2( 50 ) NOT NULL
);
-- countries table
CREATE TABLE countries
(
country_id CHAR( 2 ) PRIMARY KEY ,
country_name VARCHAR2( 40 ) NOT NULL,
region_id NUMBER , -- fk
CONSTRAINT fk_countries_regions FOREIGN KEY( region_id )
REFERENCES regions( region_id )
ON DELETE CASCADE
);
-- location
CREATE TABLE locations
(
location_id NUMBER GENERATED BY DEFAULT AS IDENTITY START WITH 24
PRIMARY KEY ,
address VARCHAR2( 255 ) NOT NULL,
postal_code VARCHAR2( 20 ) ,
city VARCHAR2( 50 ) ,
state VARCHAR2( 50 ) ,
country_id CHAR( 2 ) , -- fk
CONSTRAINT fk_locations_countries
FOREIGN KEY( country_id )
REFERENCES countries( country_id )
ON DELETE CASCADE
);
-- warehouses
CREATE TABLE warehouses
(
warehouse_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 10
PRIMARY KEY,
warehouse_name VARCHAR( 255 ) ,
location_id NUMBER( 12, 0 ), -- fk
CONSTRAINT fk_warehouses_locations
FOREIGN KEY( location_id )
REFERENCES locations( location_id )
ON DELETE CASCADE
);
-- employees
CREATE TABLE employees
(
employee_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 108
PRIMARY KEY,
first_name VARCHAR( 255 ) NOT NULL,
last_name VARCHAR( 255 ) NOT NULL,
email VARCHAR( 255 ) NOT NULL,
phone VARCHAR( 50 ) NOT NULL ,
hire_date DATE NOT NULL ,
manager_id NUMBER( 12, 0 ) , -- fk
job_title VARCHAR( 255 ) NOT NULL,
CONSTRAINT fk_employees_manager
FOREIGN KEY( manager_id )
REFERENCES employees( employee_id )
ON DELETE CASCADE
);
-- product category
CREATE TABLE product_categories
(
category_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 6
PRIMARY KEY,
category_name VARCHAR2( 255 ) NOT NULL
);
-- products table
CREATE TABLE products
(
product_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 289
PRIMARY KEY,
product_name VARCHAR2( 255 ) NOT NULL,
description VARCHAR2( 2000 ) ,
standard_cost NUMBER( 9, 2 ) ,
list_price NUMBER( 9, 2 ) ,
category_id NUMBER NOT NULL ,
CONSTRAINT fk_products_categories
FOREIGN KEY( category_id )
REFERENCES product_categories( category_id )
ON DELETE CASCADE
);
-- customers
CREATE TABLE customers
(
customer_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 320
PRIMARY KEY,
name VARCHAR2( 255 ) NOT NULL,
address VARCHAR2( 255 ) ,
website VARCHAR2( 255 ) ,
credit_limit NUMBER( 8, 2 )
);
-- contacts
CREATE TABLE contacts
(
contact_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 320
PRIMARY KEY,
first_name VARCHAR2( 255 ) NOT NULL,
last_name VARCHAR2( 255 ) NOT NULL,
email VARCHAR2( 255 ) NOT NULL,
phone VARCHAR2( 20 ) ,
customer_id NUMBER ,
CONSTRAINT fk_contacts_customers
FOREIGN KEY( customer_id )
REFERENCES customers( customer_id )
ON DELETE CASCADE
);
-- orders table
CREATE TABLE orders
(
order_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 106
PRIMARY KEY,
customer_id NUMBER( 6, 0 ) NOT NULL, -- fk
status VARCHAR( 20 ) NOT NULL ,
salesman_id NUMBER( 6, 0 ) , -- fk
order_date DATE NOT NULL ,
CONSTRAINT fk_orders_customers
FOREIGN KEY( customer_id )
REFERENCES customers( customer_id )
ON DELETE CASCADE,
CONSTRAINT fk_orders_employees
FOREIGN KEY( salesman_id )
REFERENCES employees( employee_id )
ON DELETE SET NULL
);
-- order items
CREATE TABLE order_items
(
order_id NUMBER( 12, 0 ) , -- fk
item_id NUMBER( 12, 0 ) ,
product_id NUMBER( 12, 0 ) NOT NULL , -- fk
quantity NUMBER( 8, 2 ) NOT NULL ,
unit_price NUMBER( 8, 2 ) NOT NULL ,
CONSTRAINT pk_order_items
PRIMARY KEY( order_id, item_id ),
CONSTRAINT fk_order_items_products
FOREIGN KEY( product_id )
REFERENCES products( product_id )
ON DELETE CASCADE,
CONSTRAINT fk_order_items_orders
FOREIGN KEY( order_id )
REFERENCES orders( order_id )
ON DELETE CASCADE
);
-- inventories
CREATE TABLE inventories
(
product_id NUMBER( 12, 0 ) , -- fk
warehouse_id NUMBER( 12, 0 ) , -- fk
quantity NUMBER( 8, 0 ) NOT NULL,
CONSTRAINT pk_inventories
PRIMARY KEY( product_id, warehouse_id ),
CONSTRAINT fk_inventories_products
FOREIGN KEY( product_id )
REFERENCES products( product_id )
ON DELETE CASCADE,
CONSTRAINT fk_inventories_warehouses
FOREIGN KEY( warehouse_id )
REFERENCES warehouses( warehouse_id )
ON DELETE CASCADE
);
-- regions
CREATE TABLE regions
(
region_id NUMBER GENERATED BY DEFAULT AS IDENTITY
START WITH 5 PRIMARY KEY,
region_name VARCHAR2( 50 ) NOT NULL
);
-- countries table
CREATE TABLE countries
(
country_id CHAR( 2 ) PRIMARY KEY ,
country_name VARCHAR2( 40 ) NOT NULL,
region_id NUMBER , -- fk
CONSTRAINT fk_countries_regions FOREIGN KEY( region_id )
REFERENCES regions( region_id )
ON DELETE CASCADE
);
-- location
CREATE TABLE locations
(
location_id NUMBER GENERATED BY DEFAULT AS IDENTITY START WITH 24
PRIMARY KEY ,
address VARCHAR2( 255 ) NOT NULL,
postal_code VARCHAR2( 20 ) ,
city VARCHAR2( 50 ) ,
state VARCHAR2( 50 ) ,
country_id CHAR( 2 ) , -- fk
CONSTRAINT fk_locations_countries
FOREIGN KEY( country_id )
REFERENCES countries( country_id )
ON DELETE CASCADE
);
-- warehouses
CREATE TABLE warehouses
(
warehouse_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 10
PRIMARY KEY,
warehouse_name VARCHAR( 255 ) ,
location_id NUMBER( 12, 0 ), -- fk
CONSTRAINT fk_warehouses_locations
FOREIGN KEY( location_id )
REFERENCES locations( location_id )
ON DELETE CASCADE
);
-- employees
CREATE TABLE employees
(
employee_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 108
PRIMARY KEY,
first_name VARCHAR( 255 ) NOT NULL,
last_name VARCHAR( 255 ) NOT NULL,
email VARCHAR( 255 ) NOT NULL,
phone VARCHAR( 50 ) NOT NULL ,
hire_date DATE NOT NULL ,
manager_id NUMBER( 12, 0 ) , -- fk
job_title VARCHAR( 255 ) NOT NULL,
CONSTRAINT fk_employees_manager
FOREIGN KEY( manager_id )
REFERENCES employees( employee_id )
ON DELETE CASCADE
);
-- product category
CREATE TABLE product_categories
(
category_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 6
PRIMARY KEY,
category_name VARCHAR2( 255 ) NOT NULL
);
-- products table
CREATE TABLE products
(
product_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 289
PRIMARY KEY,
product_name VARCHAR2( 255 ) NOT NULL,
description VARCHAR2( 2000 ) ,
standard_cost NUMBER( 9, 2 ) ,
list_price NUMBER( 9, 2 ) ,
category_id NUMBER NOT NULL ,
CONSTRAINT fk_products_categories
FOREIGN KEY( category_id )
REFERENCES product_categories( category_id )
ON DELETE CASCADE
);
-- customers
CREATE TABLE customers
(
customer_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 320
PRIMARY KEY,
name VARCHAR2( 255 ) NOT NULL,
address VARCHAR2( 255 ) ,
website VARCHAR2( 255 ) ,
credit_limit NUMBER( 8, 2 )
);
-- contacts
CREATE TABLE contacts
(
contact_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 320
PRIMARY KEY,
first_name VARCHAR2( 255 ) NOT NULL,
last_name VARCHAR2( 255 ) NOT NULL,
email VARCHAR2( 255 ) NOT NULL,
phone VARCHAR2( 20 ) ,
customer_id NUMBER ,
CONSTRAINT fk_contacts_customers
FOREIGN KEY( customer_id )
REFERENCES customers( customer_id )
ON DELETE CASCADE
);
-- orders table
CREATE TABLE orders
(
order_id NUMBER
GENERATED BY DEFAULT AS IDENTITY START WITH 106
PRIMARY KEY,
customer_id NUMBER( 6, 0 ) NOT NULL, -- fk
status VARCHAR( 20 ) NOT NULL ,
salesman_id NUMBER( 6, 0 ) , -- fk
order_date DATE NOT NULL ,
CONSTRAINT fk_orders_customers
FOREIGN KEY( customer_id )
REFERENCES customers( customer_id )
ON DELETE CASCADE,
CONSTRAINT fk_orders_employees
FOREIGN KEY( salesman_id )
REFERENCES employees( employee_id )
ON DELETE SET NULL
);
-- order items
CREATE TABLE order_items
(
order_id NUMBER( 12, 0 ) , -- fk
item_id NUMBER( 12, 0 ) ,
product_id NUMBER( 12, 0 ) NOT NULL , -- fk
quantity NUMBER( 8, 2 ) NOT NULL ,
unit_price NUMBER( 8, 2 ) NOT NULL ,
CONSTRAINT pk_order_items
PRIMARY KEY( order_id, item_id ),
CONSTRAINT fk_order_items_products
FOREIGN KEY( product_id )
REFERENCES products( product_id )
ON DELETE CASCADE,
CONSTRAINT fk_order_items_orders
FOREIGN KEY( order_id )
REFERENCES orders( order_id )
ON DELETE CASCADE
);
-- inventories
CREATE TABLE inventories
(
product_id NUMBER( 12, 0 ) , -- fk
warehouse_id NUMBER( 12, 0 ) , -- fk
quantity NUMBER( 8, 0 ) NOT NULL,
CONSTRAINT pk_inventories
PRIMARY KEY( product_id, warehouse_id ),
CONSTRAINT fk_inventories_products
FOREIGN KEY( product_id )
REFERENCES products( product_id )
ON DELETE CASCADE,
CONSTRAINT fk_inventories_warehouses
FOREIGN KEY( warehouse_id )
REFERENCES warehouses( warehouse_id )
ON DELETE CASCADE
);
Insérer les enregistrements dans la BD
Il faut utiliser le contenu du fichier ot_data.sql
NOTE: Vous allez rencontrer des problèmes:
Format des dates
Référence à la table ‘EMPLOYEES’
À VOUS DE TROUVER DES SOLUTIONS
Tester les données en affichant la liste des employés.
Au besoin, un DROP et on recommence
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DROP TABLE order_items;
DROP TABLE orders;
DROP TABLE inventories;
DROP TABLE products;
DROP TABLE product_categories;
DROP TABLE warehouses;
DROP TABLE employees;
DROP TABLE contacts;
DROP TABLE customers;
DROP TABLE locations;
DROP TABLE countries;
DROP TABLE regions;
DROP TABLE order_items;
DROP TABLE orders;
DROP TABLE inventories;
DROP TABLE products;
DROP TABLE product_categories;
DROP TABLE warehouses;
DROP TABLE employees;
DROP TABLE contacts;
DROP TABLE customers;
DROP TABLE locations;
DROP TABLE countries;
DROP TABLE regions;
DROP TABLE order_items;
DROP TABLE orders;
DROP TABLE inventories;
DROP TABLE products;
DROP TABLE product_categories;
DROP TABLE warehouses;
DROP TABLE employees;
DROP TABLE contacts;
DROP TABLE customers;
DROP TABLE locations;
DROP TABLE countries;
DROP TABLE regions;
Laboratoire partie B
Mettre en place l’infrastructure requise pour les parties évaluées du cours
Créer une VM dans le cloud de google, sur un projet CSTJ
2 CPU
4 GO de RAM
Disque de 40GO
Installer un OS (Ubuntu?)
Installer docker.io
Lancer un conteneur Oracle 23c ou,
pour les plus téméraires, installer Oracle 23c dans la VM
Définir une règle ‘Ingress’ dans le ‘firewall’ du projet google cloud, de type ‘TAG’, pour le port utilisé par Oracle et l’associer à votre VM.
Mettre en place la base de données Démo
Tester une connexion à partir de Oracle SQL Developper sur votre poste de travail
En cas de problème, il faut proposer une solution, firewall, docker, …?
Faire un test à partir d’un terminal sur le serveur: $ sqlplus …
('Le Secret de La Licorne', 1943, 1, 62, '978-2203001115', 'tintin_secret_licorne.jpg'),
('Le Trésor de Rackham le Rouge', 1944, 1, 62, '978-2203001122', 'tintin_tresor_rackham_rouge.jpg');
--- Modifier le champ album_id pour le rendre AUTO-INCREMENT
ALTER TABLE Albums
ALTER COLUMN album_id
SET GENERATED BY DEFAULT;
--- Pour enlever le compteur
ALTER TABLE Albums
ALTER COLUMN album_id
DROP IDENTITY IF EXISTS;
------------------------------------------------
select titre, auteurs.nom from albums inner JOIN auteurs ON albums.auteur_id = auteurs.auteur_id;
select al.titre, a.nom from albums al inner JOIN auteurs a ON al.auteur_id = a.auteur_id;
--- Scratch PAD
--- Exemple d'un champ de type AUTO-INCREMENT
--- GENERATED BY DEFAULT AS IDENTITY (facultaitf)
--- GENERATED ALWAYS AS IDENTITY (séquence automatique obligatoire)
--- (START WITH 10 INCREMENT BY 5)
CREATE TABLE Pays (
pays_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY ,
nom VARCHAR2(80)
);
INSERT INTO pays(nom) VALUES ('Québec');
INSERT INTO pays(pays_id, nom) VALUES (2, 'Canada');
SELECT * FROM pays;
----------------------------------------------------------------------------
----------------------------------------------------------------------------
--- Des bandes dessinées
CREATE TABLE Auteurs (
auteur_id NUMBER PRIMARY KEY,
nom VARCHAR2(60)
);
INSERT INTO Auteurs (auteur_id, nom) VALUES (1, 'Herge');
CREATE TABLE Albums (
album_id NUMBER PRIMARY KEY,
titre VARCHAR2(255),
annee_publication NUMBER,
auteur_id NUMBER,
FOREIGN KEY (auteur_id) REFERENCES Auteurs(auteur_id),
nombre_pages NUMBER,
isbn VARCHAR2(20),
photo_couverture VARCHAR2(255)
);
----
INSERT INTO Albums (titre, annee_publication, auteur_id, nombre_pages, isbn, photo_couverture)
VALUES
('Tintin au pays des Soviets', 1929, 1, 144, '978-2203001016', 'tintin_soviets.jpg'),
('Tintin au Congo', 1931, 1, 62, '978-2203001023', 'tintin_congo.jpg'),
('Tintin en Amérique', 1932, 1, 120, '978-2203001030', 'tintin_amerique.jpg'),
('Les Cigares du Pharaon', 1934, 1, 128, '978-2203001047', 'tintin_cigares_pharaon.jpg'),
('Le Lotus bleu', 1936, 1, 80, '978-2203001054', 'tintin_lotus_bleu.jpg'),
('L''Oreille cassée', 1943, 1, 62, '978-2203001061', 'tintin_oreille_cassee.jpg'),
('L''Île noire', 1938, 1, 62, '978-2203001078', 'tintin_ile_noire.jpg'),
('L''Étoile mystérieuse', 1942, 1, 62, '978-2203001108', 'tintin_etoile_mysterieuse.jpg'),
('Le Secret de La Licorne', 1943, 1, 62, '978-2203001115', 'tintin_secret_licorne.jpg'),
('Le Trésor de Rackham le Rouge', 1944, 1, 62, '978-2203001122', 'tintin_tresor_rackham_rouge.jpg');
--- Modifier le champ album_id pour le rendre AUTO-INCREMENT
ALTER TABLE Albums
ALTER COLUMN album_id
SET GENERATED BY DEFAULT;
--- Pour enlever le compteur
ALTER TABLE Albums
ALTER COLUMN album_id
DROP IDENTITY IF EXISTS;
------------------------------------------------
select titre, auteurs.nom from albums inner JOIN auteurs ON albums.auteur_id = auteurs.auteur_id ;
select al.titre, a.nom from albums al inner JOIN auteurs a ON al.auteur_id = a.auteur_id ;
--- Scratch PAD
--- Exemple d'un champ de type AUTO-INCREMENT
--- GENERATED BY DEFAULT AS IDENTITY (facultaitf)
--- GENERATED ALWAYS AS IDENTITY (séquence automatique obligatoire)
--- (START WITH 10 INCREMENT BY 5)
CREATE TABLE Pays (
pays_id NUMBER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY ,
nom VARCHAR2(80)
);
INSERT INTO pays(nom) VALUES ('Québec');
INSERT INTO pays(pays_id, nom) VALUES (2, 'Canada');
SELECT * FROM pays;
----------------------------------------------------------------------------
----------------------------------------------------------------------------
--- Des bandes dessinées
CREATE TABLE Auteurs (
auteur_id NUMBER PRIMARY KEY,
nom VARCHAR2(60)
);
INSERT INTO Auteurs (auteur_id, nom) VALUES (1, 'Herge');
CREATE TABLE Albums (
album_id NUMBER PRIMARY KEY,
titre VARCHAR2(255),
annee_publication NUMBER,
auteur_id NUMBER,
FOREIGN KEY (auteur_id) REFERENCES Auteurs(auteur_id),
nombre_pages NUMBER,
isbn VARCHAR2(20),
photo_couverture VARCHAR2(255)
);
----
INSERT INTO Albums (titre, annee_publication, auteur_id, nombre_pages, isbn, photo_couverture)
VALUES
('Tintin au pays des Soviets', 1929, 1, 144, '978-2203001016', 'tintin_soviets.jpg'),
('Tintin au Congo', 1931, 1, 62, '978-2203001023', 'tintin_congo.jpg'),
('Tintin en Amérique', 1932, 1, 120, '978-2203001030', 'tintin_amerique.jpg'),
('Les Cigares du Pharaon', 1934, 1, 128, '978-2203001047', 'tintin_cigares_pharaon.jpg'),
('Le Lotus bleu', 1936, 1, 80, '978-2203001054', 'tintin_lotus_bleu.jpg'),
('L''Oreille cassée', 1943, 1, 62, '978-2203001061', 'tintin_oreille_cassee.jpg'),
('L''Île noire', 1938, 1, 62, '978-2203001078', 'tintin_ile_noire.jpg'),
('L''Étoile mystérieuse', 1942, 1, 62, '978-2203001108', 'tintin_etoile_mysterieuse.jpg'),
('Le Secret de La Licorne', 1943, 1, 62, '978-2203001115', 'tintin_secret_licorne.jpg'),
('Le Trésor de Rackham le Rouge', 1944, 1, 62, '978-2203001122', 'tintin_tresor_rackham_rouge.jpg');
--- Modifier le champ album_id pour le rendre AUTO-INCREMENT
ALTER TABLE Albums
ALTER COLUMN album_id
SET GENERATED BY DEFAULT;
--- Pour enlever le compteur
ALTER TABLE Albums
ALTER COLUMN album_id
DROP IDENTITY IF EXISTS;
------------------------------------------------
select titre, auteurs.nom from albums inner JOIN auteurs ON albums.auteur_id = auteurs.auteur_id ;
select al.titre, a.nom from albums al inner JOIN auteurs a ON al.auteur_id = a.auteur_id ;