mysql 触发器学习1. 一个简单的例子1.1. 创建表: create table t(s1 integer);1.2. 触发器:delimiter |createtriggert_trigger before insertont foreach row beginset@x = "hello ...
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数据库 时间:
2015-01-13 07:52:25
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196
系统触发器系统触发器用于监视数据库服务的打开、关闭、错误等信息的取得,或者是监控用户的行为操作等。如果要创建系统触发器,可以使用如下的语法CREATE [OR REPLACE] TRIGGER 触发器名称 [BEFORE | AFTER] [数据库事件] ON [DATABASE | SCHE...
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其他好文 时间:
2015-01-13 01:17:07
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190
【使用selenium打开IE浏览器步骤】: 1、在IE浏览器上运行测试脚本,首先需要下载IEDriverServer.exe,放在IE浏览器的安装目录且同级目录下. 2、参考代码如下:import org.junit.After;import org.junit.Before;import o.....
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其他好文 时间:
2015-01-12 17:16:33
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243
#include#include#includeusing namespace std;using namespace cv;int main(){ const char *windowsrctitle = "before"; const char *windowsdstitle = "...
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其他好文 时间:
2015-01-10 21:00:50
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188
1down voteIf you decide to add a .pch file manually and you want to use Objective-C just like before xCode 6 you will also have to import UIKit and Fo...
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其他好文 时间:
2015-01-10 16:29:35
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171
题目:Given a linked list and a valuex, partition it such that all nodes less thanxcome before nodes greater than or equal tox.You should preserve the or...
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编程语言 时间:
2015-01-10 12:25:37
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204
Python之装饰器装饰器先来看一个例子,一个函数f1接收另一个函数f2作为参数,并将该参数f2返回给f2:def deco(func): print("before myfunc() called.") func() print("after myfunc() called.")...
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编程语言 时间:
2015-01-09 19:08:02
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221
1.查看回收站中的表:select object_name,original_name,partition_name,type,ts_name,createtime,droptime from recyclebin;2.恢复表:flashback table(表名) to before drop或f...
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数据库 时间:
2015-01-09 12:18:04
阅读次数:
204
What I did before is I deleted a Tomcat 7 server from Eclipse and I was trying to reinstall Tomcat 7. But it doesn't allow me to type anything in that...
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系统相关 时间:
2015-01-08 13:20:19
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464
With samba on Linux PC already installedOn Linux PC:1. vi /etc/samba/smb.confadd the following text in the end, NOTE, there are SPACEs before those op...