帝国cms一句MySQL语句实现多表数据之和

黄文博客 / 2025-01-21 / 原文

  • SQL语句:
    SELECT COUNT(AA.id) AS total
    FROM (
      SELECT id FROM www_moban5_cn_ecms_news
      UNION ALL
      SELECT id FROM www_moban5_cn_ecms_xiazai
      UNION ALL
      SELECT id FROM www_moban5_cn_ecms_photo
      UNION ALL
      SELECT id FROM www_moban5_cn_ecms_download
    ) AA;
  • 在帝国CMS后台使用:
    SELECT COUNT(AA.id) AS total
    FROM (
      SELECT id FROM phome_ecms_news
      UNION ALL
      SELECT id FROM phome_ecms_xiazai
      UNION ALL
      SELECT id FROM phome_ecms_photo
      UNION ALL
      SELECT id FROM phome_ecms_download
    ) AA;

以上是针对帝国CMS的一些常见问题及其解决方案,希望对你有所帮助。如果有更多问题,欢迎继续提问。