摘要: From:http://sqlity.net/en/1819/log-reuse-waits-explained-checkpoint/ Introduction There are eight reasons SQL Server might report when it cannot trunc 阅读全文
posted @ 2018-05-16 14:59 rosewong 阅读(177) 评论(0) 推荐(0) 编辑
摘要: From link as below: http://sqlity.net/en/556/t-sql-tuesday-25-%E2%80%93-sql-server-tips-tricks/ One question that keeps coming up in forums, at user g 阅读全文
posted @ 2018-05-16 14:58 rosewong 阅读(282) 评论(0) 推荐(0) 编辑
摘要: Document from :https://support.microsoft.com/en-us/help/890775/how-to-enable-non-sysadmin-accounts-to-execute-the-xp-cmdshell-extende Summary This art 阅读全文
posted @ 2018-05-15 10:36 rosewong 阅读(385) 评论(0) 推荐(0) 编辑
摘要: 1.The backup set holds a backup of a database other than the existing database solution: (1) delete the database which is new created; (2) Right click 阅读全文
posted @ 2017-10-17 09:43 rosewong 阅读(188) 评论(0) 推荐(0) 编辑
摘要: 阅读全文
posted @ 2017-10-04 16:42 rosewong 阅读(121) 评论(0) 推荐(0) 编辑
摘要: Refer to http://blog.sina.com.cn/s/blog_630d50dc0102vwwh.html 1.UPDATE STATISTICS table with fullscan-->this will update both on index statistics and 阅读全文
posted @ 2017-10-04 15:36 rosewong 阅读(391) 评论(0) 推荐(0) 编辑
摘要: 1 Categories of query statements 2 Logical query processing 3 阅读全文
posted @ 2017-08-20 11:04 rosewong 阅读(116) 评论(0) 推荐(0) 编辑
摘要: Error messages as below: BackupDiskFile::CreateMedia: Backup device F:\server\instance\Backups\Full\database\DB_full.bak failed to create. Operating s 阅读全文
posted @ 2017-07-28 16:47 rosewong 阅读(410) 评论(0) 推荐(0) 编辑
摘要: (1)服务器的最小最大内存配置 (2)AWE Enabled 32位OS只能使用2GB的虚拟内存,如果在BOOT.ini文件设置 阅读全文
posted @ 2017-07-28 15:12 rosewong 阅读(489) 评论(0) 推荐(0) 编辑
摘要: (1)关联掩码affinity mask:控制CPU到SQL Server进程的映射。默认情况下,sql server 可以使用服务器上所有可用的处理器。 当一台服务器上有多个应用程序在运行并且windows处于高负荷的情况下时,可能会将线程移动到不用的CPU中。这是可以通过关联掩码,将SQL se 阅读全文
posted @ 2017-07-28 11:18 rosewong 阅读(3049) 评论(0) 推荐(0) 编辑