commandes mysql

INSERT INTO customer_data (customer_id, customer_name, customer_place) VALUES(2, "Vaani","Denver") ON DUPLICATE KEY UPDATE customer_name = "Hevika", customer_place = "Denver";

UPDATE toutes SET chemin='dfkdslmfkml/dsqdsq' where no=12568

SHOW DATABASES;
USE PHOTOS ;
SHOW TABLES;