set foreign_key_checks=0
CREATE TABLE product(
id INT(10) NOT NULL AUTO_INCREMENT,
name varchar(100),
category_id INT,
PRIMARY KEY (id),
FOREIGN KEY (category_id) REFERENCES category (id) on update cascade on delete cascade);
CREATE TABLE customer(
id INT(10) NOT NULL AUTO_INCREMENT,
name varchar(50),
email varchar(100),
password varchar(25),
PRIMARY KEY (id));
CREATE TABLE purchase(
id INT NOT NULL AUTO_INCREMENT,
user_account_id INT(10),
product id INT(10),
PRIMARY KEY (id),
FOREIGN KEY (user_account_id) REFERENCES customer(id));
CREATE TABLE category(
id INT(10) NOT NULL AUTO_INCREMENT,
kategorija VARCHAR(50),
PRIMARY KEY (id));
CREATE TABLE purchase_item(
purchase_id INT(10),
product_id INT(10),
number_of_items INT(10),
total_price DECIMAL,
FOREIGN KEY (puchase_id) REFERENCES purchase(id),
FOREIGN KEY (product_id) REFERENCES product(id));
erste Fehler:
Erstellen von Datenbank in MYSQL Exceptions Diese Fehler
Hallo Leute. Kann jemand sagen, was ich falsch mache? Danke vielmals. – Wkyp