diff --git a/lonescripts/pymysql_test.py b/lonescripts/pymysql_test.py
new file mode 100644
index 0000000..0550e79
--- /dev/null
+++ b/lonescripts/pymysql_test.py
@@ -0,0 +1,86 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+
+"""
+Author: freezed <freezed@users.noreply.github.com> 2018-08-03
+Version: 0.1
+Licence: `GNU GPL v3` GNU GPL v3: http://www.gnu.org/licenses/
+
+Basic implementation of PyMySQL
+
+-- Local DB --
+CREATE DATABASE loff CHARACTER SET 'utf8';
+USE loff;
+
+CREATE TABLE category(
+    `id`INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    `name` VARCHAR(200) UNIQUE
+
+)ENGINE=InnoDB;
+
+CREATE TABLE product(
+    `id` INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
+    `code` BIGINT UNSIGNED NOT NULL UNIQUE,
+    `url` VARCHAR(200),
+    `name` VARCHAR(200) UNIQUE,
+    `nutrition_grades` VARCHAR(1),
+    `category_id`INT UNSIGNED,
+    `substitute_id` INT UNSIGNED,
+    CONSTRAINT `fk_product_category`
+        FOREIGN KEY (category_id) REFERENCES category(id)
+        ON DELETE CASCADE,
+    CONSTRAINT `fk_product_substitute`
+        FOREIGN KEY (substitute_id) REFERENCES product(id)
+        ON DELETE SET NULL
+)ENGINE=InnoDB;
+"""
+import pymysql
+
+DB_CONFIG = {
+    'host': 'localhost',
+    'user': 'loff',
+    'password': 'loff',
+    'db': 'loff',
+    'charset': 'utf8',
+    'autocommit': False
+}
+
+CONF = {
+    'host': DB_CONFIG['host'],
+    'user': DB_CONFIG['user'],
+    'db': DB_CONFIG['db'],
+    'password': DB_CONFIG['password'],
+    'charset': DB_CONFIG['charset'],
+    'cursorclass': pymysql.cursors.DictCursor
+}
+
+REQUEST_LIST = [
+    """INSERT INTO category (`name`) VALUES ('farces')""",
+    """INSERT INTO product (`name`, `code`, `url`, `nutrition_grades`, \
+`category_id`) SELECT "Farce de Veau", "3384480023221",
+\"https://fr.openfoodfacts.org/produit/3384480023221/farce-de-veau-tendriade", \
+"e", id AS category_id FROM category WHERE name = "farces";""",
+    """INSERT INTO product (`name`, `code`, `url`, `nutrition_grades`, \
+`category_id`) SELECT "Chair à saucisse Pur Porc", "3222472948438", \
+"https://fr.openfoodfacts.org/produit/3222472948438/chair-a-saucisse-pur-porc-casino", \
+"d", id AS category_id FROM category WHERE name = "farces";""",
+    """INSERT INTO product (`name`, `code`, `url`, `nutrition_grades`, \
+`category_id`) SELECT "Farce à Légumes, Pur Porc", "3254560320666", \
+"https://fr.openfoodfacts.org/produit/3254560320666/farce-a-legumes-pur-porc-l-oiseau", \
+"d", id AS category_id FROM category WHERE name = "farces";""",
+    """SELECT c.name AS Category, p.code, p.name AS Product, \
+p.nutrition_grades AS Nutriscore FROM category AS c \
+LEFT JOIN product AS p ON c.id = p.category_id""",
+]
+
+CNX = pymysql.connect(**CONF)
+CURSOR = CNX.cursor()
+
+for idx, sql in enumerate(REQUEST_LIST):
+    CURSOR.execute(sql)
+    results = CURSOR.fetchall()
+    print("\n{}. [{}…] Rows affected: {}".format(idx, sql[87:100], CURSOR.rowcount))
+
+# CNX.commit()
+CURSOR.close()
+CNX.close()