mysql在多个表中查询同一个值
SELECT * FROM (SELECT `mu_id` , `name` FROM `表名1` UNION ALL SELECT `mu_id` , `name` FROM `表名2`....)aWHERE `mu_id` = '
13'
SELECT * FROM (SELECT `mu_id` , `name` FROM `表名1` UNION ALL SELECT `mu_id` , `name` FROM `表名2`....)aWHERE `mu_id` = '
13'