Voir aussi MySQL/Reinitialiser_le_mot_de_passe
SET PASSWORD FOR 'sonerezh'@'localhost' = PASSWORD('XXXXXT')
SELECT table_schema, round(sum(data_length+index_length)/1024/1024,4) AS "Size (MB)"
FROM information_schema.tables GROUP BY table_schema;
UPDATE `joomla_content` set `metakey`='trycoaching' WHERE `metakey` = '';
DELETE FROM `piwik_archive_numeric_2013_07` WHERE name='Actions_nb_downloads'
# ex avec table : test
SELECT table_name AS "Tables", round(((data_length + index_length) / 1024 / 1024), 2) "Size in MB" FROM information_schema.TABLES WHERE table_schema = "test";