19c安装配置
19c
mysqldump Got error: 1045
mysqldump Got error: 1045
find -newer命令
touch find -newer
存储结构
vg-lv
expdp一个例子
expdp
CentOS7.5升级到CentOS 7.6
yum update -y
升级openssh7.9
升级openssh7.9
OPatch failed with error code 73
OPatch failed with error code 73
记一次从日立G400划一个LUN给dg数据库
日立多路径
aix文件系统扩容
chfs
康孚备份数据库时报错
CV archivelog crosscheck
slp_srvr top进程,cluster.log大量日志
/var/hacmp/adm/cluster.log大量日志,cpu很高,top进程slp_srvr , syslogd
CentOS Linux release 7磁盘扩容
CentOS Linux release 7 lvextend
the NTP socket is in use, exiting
the NTP socket is in use, exiting
zabbix安装agent
zabbix3.4.4安装agent configure: error: Unable to use libpcre (libpcre check failed)
linux之lvm
linux lvm
ADDM
The The CONTROL_MANAGEMENT_PACK_ACCESS parameter should be set to DIAGNOSTIC or DIAGNOSTIC+TUNING to enable automatic database diagnostic monitoring. The default setting is DIAGNOSTIC+TUNING. Setting CONTROL_MANAGEMENT_PACK_ACCESS to NONE ...
MySQL SQL优化 - 覆盖索引(covering index)
CREATE TABLE `user_group` ( `id` int(11) NOT NULL auto_increment, `uid` int(11) NOT NULL, `group_id` int(11) NOT NULL, PRIMARY KEY (`id`), KEY `uid` (`uid`), KEY `group_id` (`group_id`),) ENGINE=InnoDB AUTO_INCREMENT=750366 DEFAULT CHARSET=utf8 ...
Fine Grained Auditing (FGA)
Fine-Grained Auditing
alter tablespace ts_name autoextend_clause
autoextend tablespace