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SELECT id_tasks ,char_t_title, char_c_name, char_p_title,time_t_duration, date_t_crea FROM `site_tasks2` t inner join site_projects p on p.id_projects=t.id_projects inner join site_customers s on p.id_customers=s.id_customers where t.id_staff= and date_exec>="2019-11-14" and date_exec<="2019-11-21" ORDER BY char_c_name ASCImpossible d'exécuter la requête : You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and date_exec>="2019-11-14" and date_exec<="2019-11-21" ORDER BY char_c_name AS' at line 1