清理disuz垃圾用户信息SQL语句
生活随笔
收集整理的這篇文章主要介紹了
清理disuz垃圾用户信息SQL语句
小編覺得挺不錯的,現在分享給大家,幫大家做個參考.
-- hadoop開頭的是UCenter表,cdb開頭的是BBS部分的表
? -- 搜索出所有垃圾用戶名: select `hadoop_members`.`username` from `hadoop_members` left join `cdb_members` on `hadoop_members`.`username`=`cdb_members`.`username` where `cdb_members`.`username` is null; select `hadoop_members`.`username` from `hadoop_members` where not exists (select `cdb_members`.`username` from `cdb_members` where `hadoop_members`.`username`=`cdb_members`.`username`);
? -- 搜索出垃圾用戶個數: select count(`hadoop_members`.`username`) from `hadoop_members` left join `cdb_members` on `hadoop_members`.`username`=`cdb_members`.`username` where `cdb_members`.`username` is null; select count(`hadoop_members`.`username`) from `hadoop_members` where not exists (select `cdb_members`.`username` from `cdb_members` where `hadoop_members`.`username`=`cdb_members`.`username`);
? -- 刪除垃圾用戶 delete from `hadoop_members` where not exists (select 1 from `cdb_members` where `hadoop_members`.`username`=`cdb_members`.`username`);
? -- 搜索出所有垃圾用戶名: select `hadoop_members`.`username` from `hadoop_members` left join `cdb_members` on `hadoop_members`.`username`=`cdb_members`.`username` where `cdb_members`.`username` is null; select `hadoop_members`.`username` from `hadoop_members` where not exists (select `cdb_members`.`username` from `cdb_members` where `hadoop_members`.`username`=`cdb_members`.`username`);
? -- 搜索出垃圾用戶個數: select count(`hadoop_members`.`username`) from `hadoop_members` left join `cdb_members` on `hadoop_members`.`username`=`cdb_members`.`username` where `cdb_members`.`username` is null; select count(`hadoop_members`.`username`) from `hadoop_members` where not exists (select `cdb_members`.`username` from `cdb_members` where `hadoop_members`.`username`=`cdb_members`.`username`);
? -- 刪除垃圾用戶 delete from `hadoop_members` where not exists (select 1 from `cdb_members` where `hadoop_members`.`username`=`cdb_members`.`username`);
?
? ? 本文轉自eyjian 51CTO博客,原文鏈接:http://blog.51cto.com/mooon/909768,如需轉載請自行聯系原作者
總結
以上是生活随笔為你收集整理的清理disuz垃圾用户信息SQL语句的全部內容,希望文章能夠幫你解決所遇到的問題。
- 上一篇: SCVMM 2012 R2运维管理十之:
- 下一篇: XMLHttpRequest 对象