select * from (select sql_id, count(child_number) from v$sql_shared_cursor group by sql_id order by count(child_number) desc) where rownum <=5; -- Script Code set serveroutput on DECLARE v_count number; v_sql varchar2(500); v…
并不是用了绑定变量就一定都会游标共享,下面我们介绍的就是一种例子.BIND_MISMATCH导致VERSION COUNT过多的原因解释: This is due to the bind buffer mismatch of the current child cursor. If oracle is unable to bind the current value to the existing child cursors bind buffer, Oracle upgrades the ex…
Copyright (c) 2018, Oracle. All rights reserved. Oracle Confidential. Click to add to Favorites Troubleshooting: High Version Count Issues (Doc ID 296377.1) To BottomTo Bottom In this DocumentPurpose Ask Questions, Get Help, And Share Your Experience…
本文来自网易云社区 SQL Server 是windows平台.NET架构下标配数据库解决方案,与Oracle.MySQL共同构成了DB-Engines Ranking的第一阵营,在国内外企业市场中有着广泛的应用.Mirroring是SQL Server 最常用的高可用解决方案,具有自动故障转移,高安全模式下具有数据"零"丢失,对客户端透明等优势,目前AWS.阿里云.腾讯云均采用该技术实现云端SQL Server 高可用部署.今天我们就来聊聊SQL Server 高可用镜像实现原理:…