select * from (select A.*,rownum rd from (select *
from [tablename] where [condition] order by [condition] ) A where
rownum=[startpage*pagesize];1.sel...
分类:
数据库 时间:
2014-05-25 22:29:33
阅读次数:
349
表单:
表单标签是这个标签和from特别像,几乎每个人都会写错,
即使知道,也会错滴,表单是最常见的标签,用于人机交互,最常见的就
是input标签,input标签中type有几个属性:text(文本框),password(密码),
checkbox(复选框),radio(单选框),hidden(隐藏框,submit(提交),reset(重置)select(选择)
eg:
用户名:...
分类:
Web程序 时间:
2014-05-25 21:55:41
阅读次数:
308
DataTable排序DataRow[] rows = dataTable1.Select("",
"ord asc");DataTable t = DataTable1.Clone();t.Clear();foreach (DataRow row in
rows) t.ImportRow(row)...
分类:
其他好文 时间:
2014-05-25 20:16:33
阅读次数:
341
*1 /* 获取select的选中的option值,需要用:select过滤器 */2
setStatue option:selected //IE全兼容;
分类:
Web程序 时间:
2014-05-25 18:51:22
阅读次数:
256
declare test_Cursor cursor scroll global for select
* from fktable --声明一个游标,加上scroll支持游标向任何方向移动declare test_Cursor cursor
forward_only global for sele...
分类:
数据库 时间:
2014-05-25 18:48:34
阅读次数:
327
Problem Description
Teacher HU and his 40 students were trapped by the brigands. To show their power, the head of the brigands want to select one people to kill.
Teacher HU and his 40 students wil...
分类:
其他好文 时间:
2014-05-25 18:19:44
阅读次数:
306
Oracle删除重复行分类:ORACLE2010-12-12
17:10423人阅读评论(0)收藏举报oracletabledeleteintegerinsert.net查询及删除重复记录的SQL语句1、查找表中多余的重复记录,重复记录是根据单个字段(peopleId)来判断select
* fro...
分类:
数据库 时间:
2014-05-25 15:01:27
阅读次数:
309
Problem Description
Teacher HU and his 40 students were trapped by the brigands. To show their power, the head of the brigands want to select one people to kill.
Teacher HU and his 40 students wil...
分类:
其他好文 时间:
2014-05-25 10:02:35
阅读次数:
309
select 10 + 10 + 10 from dual
结果是30,完全没问题。
select null + 10 + 10 from dual
结果是空串,但期望的结果是20.
select nvl(null,0) + 10 + 10 from dual
这样处理结果为20。若查询有空值的情况需利用nvl处理,否则运算有误。...
分类:
数据库 时间:
2014-05-25 09:43:07
阅读次数:
277