1、创建Mysql触发器: 语法: CREATE TRIGGER trigger_name
trigger_time trigger_event ON tbl_name FOR EACH ROW BEGIN trigger_stmt //语句块
END; CR...
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数据库 时间:
2014-05-09 10:52:24
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478
the key point is "Modified UTF-8" is not like
"Regular UTF-8", a legal Rgular UTF8 code sequence may be considered illegal
against Modified UTF8.One w...
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其他好文 时间:
2014-05-09 10:51:58
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628
Given a triangle, find the minimum path sum
from top to bottom. Each step you may move to adjacent numbers on the row
below.For example, given the fol...
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编程语言 时间:
2014-05-08 18:31:51
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399
我们知道INTC根据128个system event的输入,然后输出下面的信号到INTC所在corePac的CPU:
? One maskable, hardware exception (EXCEP)
? Twelve maskable hardware interrupts (INT4 through INT15)
? One non-maskable signal that you c...
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其他好文 时间:
2014-05-08 16:03:55
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447
表结构如下:mysql> show create table
user\G;*************************** 1. row *************************** Table:
userCreate Table: CREATE TABLE `user...
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数据库 时间:
2014-05-08 15:15:51
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416
Single Number
Total Accepted: 19800 Total
Submissions: 44027My Submissions
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algor...
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其他好文 时间:
2014-05-08 11:01:40
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298
查看所有触发器 show TRIGGERSDELIMITER ;;CREATE TRIGGER
`trigger1触发器名` BEFORE UPDATE ON `触发器所在表名` FOR EACH ROW insert into templete
(old) values (NEW.bz);;DEL...
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数据库 时间:
2014-05-08 10:36:30
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306
1mysql_fetch_row
mysql_fetch_array1.1mysql_fetch_row 1.2mysql_fetch_array注释:mysql_fetch_array...
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数据库 时间:
2014-05-08 09:55:20
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381
经过长时间学习Oracle,于是和大家分享一下,看完本文你肯定有不少收获,希望本文能教会你更多东西。Oracle执行计划的每一步返回一组行,它们或者为下一步所使用,或者在最后一步时返回给发出SQL语句的用户或应用。由每一步返回的一组行叫做行源(row
source)。下面得树状图显示了从一步到另一步...
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数据库 时间:
2014-05-08 09:18:30
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441
转载请注明出处:http://acm.hdu.edu.cn/showproblem.php?pid=1217
Problem Description
Arbitrage is the use of discrepancies in currency exchange rates to transform one unit of a currency into more than one u...
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其他好文 时间:
2014-05-08 01:48:12
阅读次数:
469