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How to Kill All Processes That Have Open Connection in a SQL Server Database[关闭数据库链接 最佳方法] -摘自网络
SQL Server database administrators may frequently need in especially development and test environments instead of the production environments to kill ...
分类:数据库   时间:2014-09-26 19:06:48    阅读次数:667
Host XXX is blocked because of many connection errors, unblock with 'mysqladmin flush-hosts
连接MySQL失败,除了权限问题之外,还遇到这种情况,出错信息:HostXXXisblockedbecauseofmanyconnectionerrors,unblockwith‘mysqladminflush-hosts‘。而且XXX还不是IP地址而是domainname。MySQL服务器和客户端在同一台测试及其上,连接的时候用的mysql-uroot-hipaddr。查看机..
分类:数据库   时间:2014-09-25 23:54:08    阅读次数:189
Architecture of a Highly Scalable NIO-Based Server
一。thread-per-connectionThe thread-per-connection approach uses an exclusive worker thread foreach connection. Within the handling loop, a worker threa...
分类:其他好文   时间:2014-09-25 21:51:07    阅读次数:185
PLSQL_性能优化系列12_Oracle Connection Management
2014-09-25 BaoXinjian一、摘要在官方文档《oracle performance tuning guide》中提到Connecting to the database is an expensive operation that is highly unscalable。数据库的连...
分类:数据库   时间:2014-09-25 18:05:17    阅读次数:273
unlinking
When a file name is deleted from the directory tree, the file name's connection to the inode number is severed. If the file name is the last "link" to...
分类:其他好文   时间:2014-09-25 15:42:39    阅读次数:177
解决Please ensure that adb is correctly located at 'D:\java\sdk\platform-tools\adb.exe' and can be executed.
遇到问题描述:运行android程序控制台输出 [2012-07-18 16:18:26 - ] The connection to adb is down, and a severe error has occured. [2012-07-18 16:18:26 - ] You must rest...
分类:数据库   时间:2014-09-25 01:09:48    阅读次数:401
WCFDataService项目host到IIS上碰到的一个问题:数据库未能打开
今天在尝试重现OP一个问题的,遇到了一个新的问题。项目坏境:WCF Data Service 5.6Entity Framewrok 5(不用6的原因时要重新配置WCF项目)SQL Server Express问题描述:在于数据库连接的时候,我使用了Trust Connection,所以并没有提供访...
分类:数据库   时间:2014-09-24 23:58:37    阅读次数:199
2014=9=24 连接数据库2
package cn.sql.sqlconn;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql...
分类:数据库   时间:2014-09-24 23:49:17    阅读次数:403
记weblogic JDBC 'No operations allowed after statement closed' 缘由
Weblogic JDBC配置test on reserve之后仍然出现com.mysql.jdbc.exceptions.jdbc4.CommunicationsException的分析...
分类:数据库   时间:2014-09-24 23:27:10    阅读次数:376
超全局数组
$_SERVERHTTP_HOST:localhost//当前请求头中Host:项的内容 HTTP_CONNECTION:keep-alive HTTP_CACHE_CONTROL:max-age=0 HTTP_ACCEPT:text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 HTTP_USER_AGENT:Mozilla/5.0(WindowsNT6.1;WOW64)AppleWebKit/537.36(KHTM..
分类:其他好文   时间:2014-09-24 19:10:38    阅读次数:235
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