一、创建视图 create or replace view vw_users as select * from users; 二、通过定义规则来更新视图 create rule vw_users_upd as on update to vw_users do instead update users
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数据库 时间:
2016-03-11 01:07:10
阅读次数:
332
Problem: the layout and src is empty after creating a new android project. Solution: choose "empty activity" instead of "blank activity" when building
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其他好文 时间:
2016-03-10 12:46:03
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172
创建: [sql] view plain copy create trigger trigger_name on {table_name view_name} {for After Instead of } [ insert, update,delete ] as sql_statement 删除触
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数据库 时间:
2016-03-10 12:41:10
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232
SQLServer触发器创建、删除、改动、查看 SQL Server 触发器 SQL Server 触发器 SQL Server 中 RAISERROR 的使用方法 after触发器和instead of 触发器的差别 我理解的触发器:事实上也就是你在进行 insert,update或者 delet
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数据库 时间:
2016-03-07 19:16:45
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233
在经历修改各种配置文件和各种文件权限后,发现了怎么解决 On newer versions of Ubuntu, the document root is set to /var/www/html instead of /var/www. You might have followed an old
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Web程序 时间:
2016-03-06 09:53:31
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178
驱动中pr_debug定义在kernel/include/linux/printk.h /* If you are writing a driver, please usedev_dbg instead */ #if defined(CONFIG_DYNAMIC_DEBUG) /* dynamic_
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其他好文 时间:
2016-03-05 18:55:01
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154
The diamond operator ("<>") should be used Java 7 introduced the diamond operator (<>) to reduce the verbosity of generics code. For instance, instead
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编程语言 时间:
2016-03-01 12:47:49
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1006
hapi does not support serving static files out of the box. Instead it relies on a module called Inert. This lesson will cover serving static files usi
[System.Serializable] public class CmyObj{ .... } public class XXX: MonoBehavior{ [HideInInspector] public CmyObj m_myObj;//use public+[HideInInspecto
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编程语言 时间:
2016-02-28 18:26:08
阅读次数:
205
https://www.opengl.org/wiki/Common_Mistakes Do not use constructors/destructors to initialize/destroy OpenGL objects. Instead, use member functions of
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其他好文 时间:
2016-02-22 19:19:05
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107