查找所有重复标题的记录:SELECT *FROM t_info aWHERE ((SELECT
COUNT(*)FROM t_infoWHERE Title = a.Title) > 1)ORDER BY Title
DESC一。查找重复记录1。查找全部重复记录Select * From 表 Whe...
分类:
数据库 时间:
2014-05-12 13:12:01
阅读次数:
384
原文地址:Authentication options|Basic authorizationIf
you want to use simple binds with user DN and password within a Java component,
in order to authenti...
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其他好文 时间:
2014-05-10 20:27:03
阅读次数:
485
1:as给表另外命名2:desc倒序3:order
by分组4:select*form表名where条件
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其他好文 时间:
2014-05-10 06:44:37
阅读次数:
317
题目如下:
Matrix Chain Multiplication
Suppose you have to evaluate an expression like A*B*C*D*E where A,B,C,D and E are matrices. Since matrix multiplication is
associative, the order in which m...
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其他好文 时间:
2014-05-10 04:40:36
阅读次数:
318
需要每隔一段时间选取最老的商户更新时间戳:
update DP_Shop set DP_Shop.LastDate = now() where DP_Shop.ShopId in (select ShopId from DP_Shop order by LastDate limit 5);
ERROR 1235 (42000): This version of MySQL doesn't ...
分类:
数据库 时间:
2014-05-10 04:22:58
阅读次数:
423
Student表有3个字段:id,name,age看这两个SQL语句(1)select
name from student order by id;(2)select distinct(name) from student order by
id;执行结果你可能会说:第1句返回以id排序的所有nam...
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其他好文 时间:
2014-05-09 23:42:19
阅读次数:
368
SELECT * FROM ( SELECT ROW_NUMBER() OVER(ORDER BY
ca.PraiseNum desc) as RowID ,ca.[ArticleId] ...
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其他好文 时间:
2014-05-09 13:17:14
阅读次数:
409
<pstyle="padding-left:35px;padding-top:6px;"><%=link_to(t(‘mypage.live_order_btn‘),{:action=>"course_order",:id=>course.id,:back_action=>params[:action]},:style=>"color:white;font-weight:bold;text-decoration:none;")%></p>text-d..
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其他好文 时间:
2014-05-09 06:51:16
阅读次数:
267
The ? 1 ? 2 ? ... ? n = k problem
The problem
Given the following formula, one can set operators '+' or '-' instead of each '?', in order to obtain a given k
? 1 ? 2 ? ... ? n =...
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其他好文 时间:
2014-05-09 06:10:40
阅读次数:
285
JavaScript实现的购物车效果,当然这个效果可以运用在好多地方,比如好友的选择,人力资源模块,计算薪资,人员的选择等等。下面看类似某种购物车的效果图:
code:
Insert title here
table{
border:10px;
}
select{
width:200px;
height:400px;
}
#order_area{
display:none;
}...
分类:
编程语言 时间:
2014-05-09 00:59:09
阅读次数:
473