ORACLE PL/SQL编程之八:把触发器说透本篇主要内容例如以下:8.1 触发器类型8.1.1 DML触发器8.1.2 替代触发器8.1.3 系统触发器8.2创建触发器8.2.1 触发器触发次序8.2.2 创建DML触发器8.2.3 创建替代(INSTEAD OF)触发器8.2.3 创建系统事件...
分类:
数据库 时间:
2014-10-25 15:40:46
阅读次数:
378
The administration of the Tomsk Region firmly believes that it's time to become a megacity (that is, get population of one million). Instead of improving the demographic situation, they decided to ach...
分类:
其他好文 时间:
2014-10-24 11:09:27
阅读次数:
181
在VS 2012 中编译 C 语言项目,如果使用了 scanf 函数,编译时便会提示如下错误:
error C4996: 'scanf': This function or variable may be unsafe. Consider using scanf_s instead. To d...
分类:
其他好文 时间:
2014-10-23 17:35:21
阅读次数:
182
1 --==============================触发器=============================== 2 --分类及注意 3 --触发器分为DML触发器和DDL触发器,DML触发器又分After触发器和Instead Of触发器 4 --After触发器...
分类:
数据库 时间:
2014-10-23 14:14:31
阅读次数:
310
使用VS2012编译时,会出现以下警告:warning C4996: 'sprintf': This function or variable may be unsafe. Consider using sprintf_s instead. To disable deprecation, use _CRT_SECURE_NO_WARNINGS. See online help for detail...
分类:
其他好文 时间:
2014-10-20 21:22:11
阅读次数:
264
Implement insert and delete in a tri-nary tree. A tri-nary tree is much like a binary tree but with three child nodes for each parent instead of two -...
分类:
其他好文 时间:
2014-10-19 02:40:16
阅读次数:
236
I would like to retrieve the content of a url. Similar to pythons:html_content = urllib.urlopen("http://www.test.com/test.html").read()In examples(jav...
分类:
Web程序 时间:
2014-10-18 15:21:48
阅读次数:
232
Follow up for N-Queens problem.Now, instead outputting board configurations, return the total number of distinct solutions.Solution:N-Queens 问题的简化版。pu...
分类:
其他好文 时间:
2014-10-18 07:32:25
阅读次数:
159
首先是原题,转自UVAOJThe ? 1 ? 2 ? ... ? n = k problemThe problemGiven the following formula, one can set operators '+' or '-' instead of each '?', in order t...
分类:
其他好文 时间:
2014-10-15 19:22:11
阅读次数:
246
width and/or height in tables are not standard anymore; as Ianzz says, they are depreciated. Instead the best way to do this is to have a block elemen...
分类:
Web程序 时间:
2014-10-15 15:23:10
阅读次数:
341