关于ID生成注:today()和now()是date类型,如需转换,可用datetime(today(())和datetime(now())一般用:SELECTsysdateINTO
:ldt_sysDateTime FROMDUAL获取时间。//获取的是服务器时间,防止本机时间错误ls_Curre...
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其他好文 时间:
2014-05-10 18:46:30
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388
使用DateTime.Now.ToString("yyyy/MM/dd/")格式化字符串,格式化后和yyyy/MM/dd不相符
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其他好文 时间:
2014-05-10 18:15:18
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371
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 ...
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数据库 时间:
2014-05-10 04:22:58
阅读次数:
423
Neal is very curious about combinatorial problems, and now here comes a problem about words. Knowing that Ray has a photographic memory and this may not trouble him, Neal gives it to Jiejie.
Since Ji...
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其他好文 时间:
2014-05-10 03:48:22
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352
Mr. Pote's shop sells beans now. He has N bags of beans in his warehouse, and he has numbered them with 1, 2, …, N according to their expired dates. The i-th bag contains Wi units of beans. For sellin...
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其他好文 时间:
2014-05-09 22:41:06
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503
Scout YYF I
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 4410
Accepted: 1151
Description
YYF is a couragous scout. Now he is on a dangerous mission wh...
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其他好文 时间:
2014-05-09 22:40:05
阅读次数:
419
一:mysql创建一个修改表字段的存储过程drop procedure if exists
pr_test;create procedure pr_test()begin declare var int; declare var1 int; set
var=416; set var1=420; wh...
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数据库 时间:
2014-05-09 20:17:20
阅读次数:
460
例:……关键语句讲解……… BEGIN TRANSACTION
/*--定义变量,用于累计事务执行过程中的错误--*/ DECLARE @errorSum INT SET @errorSum=0 --初始化为0,即无错误
/*--转账:张三的账户少1000元,李四的账户多1000元*/ ...
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其他好文 时间:
2014-05-09 20:14:22
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199
转载地址:http://www.2cto.com/database/201212/176781.html触发器是MySQL响应以下任意语句而自动执行的一条MySQL语句(或位于BEGIN和END语句之间的一组语句):
www.2cto.com DELETE; INSERT; ...
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数据库 时间:
2014-05-09 19:41:03
阅读次数:
441
[原文发表地址]Now Available: Office Developer Tools for
Visual Studio 2012正如我以前写过的,我们正在为构建下一代Office和 SharePoint
应用程序而开发工具。这些工具表现为一种在线体验,即熟知的" Napa ",我们一直在每周...
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其他好文 时间:
2014-05-09 19:24:50
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342