方便删除数据库中所有的数据表,清空数据库,有些有约束,不能直接delete,需要先删除库中的约束,代码如下: --删除所有约束DECLARE c1 cursor for select 'alter table ['+ object_name(parent_obj) + '] drop constraint ['+name+']; ' from sysobjects where xtype = 'F'open c1declare @c1 varchar(8000)fetch next from c…
<?php //替换数据库内容类 class replace{ public $dbAddress; //数据库地址 public $dbUser; //数据库用户名 public $dbPwd; //数据库密码 public $dbName; //数据库名称 public $dbPort; //数据库端口 public $keywords; //需要替换的关键字 public $result_keywords; //替换成什么 //数据库连接 public function dbConnect…
<!-- 根据主键批量删除 --> <delete id="deleteByKeys"> DELETE FROM product WHERE id in <foreach collection="list" separator="," item="id" open="(" close=")"> #{id} </foreach> </d…
--删除所有约束 DECLARE c1 cursor for select 'alter table ['+ object_name(parent_obj) + '] drop constraint ['+name+']; ' from sysobjects where xtype = 'F' open c1 ) fetch next from c1 into @c1 ) begin exec(@c1) fetch next from c1 into @c1 end close c1 deall…
IDictionaryEnumerator em = HttpContext.Current.Cache.GetEnumerator(); while (em.MoveNext()) { if (需要删除的条件) { HttpContext.Current.Cache.Remove(em.Key.ToString()); } }…