我有以下查询使用INTERSECT,我不知道如何使用INNER JOIN将其转换为MySQL.SELECT DISTINCT Title, Variable FROM Table WHERE Location='Location1' AND Date='Date1' INTERSECT SELECT DISTINCT Title, Variable FROM Table WHERE Location='Location2' AND Date='Date2' INTERSECT SELECT DISTINCT Title, Variable FROM Table WHERE Location='Location3' AND Date='Date3'有人可以帮我吗？解决方法: SELECT t1.Title, t...
我最后的作品之一是基于Yii的硬件目录.每个项目都可以与很多组链接.CREATE TABLE item_group ( id INT(10) UNSIGNED NOT NULL AUTO_INCREMENT, itemId INT(10) UNSIGNED NOT NULL, groupId INT(10) UNSIGNED NOT NULL, PRIMARY KEY (id) ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;仅显示必须由用户选择的所有groupIds的itemIds.这是我的错误解决方案：$groups = isset($_GET['groups']) ? array_merge(array_...
我一直在尝试删除相交,因为它不受mysql支持.如果有人能提供一些指示,那将非常有帮助.SELECT *, DATE_FORMAT(NOW(), '%Y') - DATE_FORMAT(dob, '%Y') - (DATE_FORMAT(NOW(), '00-%m-%d') < DATE_FORMAT(dob, '00-%m-%d')) AS age FROM user U, user_utilisation UU WHERE U.id_user = UU.id_user AND cp >= 1 AND cp <= 3000 AND sexe = 'M' AND UU.id_mailing = 6 GROUP BY U.id_user HAVING age >= 1 AND age <= 100 ORDER B...