原创 GC block lost wait event tips
GC Block Lost Wait Event from: http://www.dba-oracle.com/t_rac_tuning_gc_block_lost_wait_event.htm No network is per
2020-02-21 07:56:38
原创 inventory.xml中的Oracle_home已存在
重新安裝RAC數據庫時報下列錯誤： Remote 'AttachHome' failed on nodes: 'prod02'. Refer to '/u01/app/oraInventory/logs/installActions20
2020-02-21 07:56:27
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原创 MySQL學習筆記2-System administration（uninstall mysql）
1、查找以前是否裝有mysql 命令：rpm -qa|grep -i mysql 可以看到mysql的兩個包： [root@localhost init.d]# rpm -qa | grep -i mysql MySQL-server-5
2020-02-21 07:56:27
原创 MySQL學習筆記2-System administration（set password）
安裝完畢後，第一次登錄mysql，修改密碼 [root@localhost bin]# service mysql start Starting MySQL.. SUCCESS! [root@localhost bin]# cat /r
2020-02-21 07:56:27
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原创 MySQL學習筆記-04_Server_Config
Server Configuration MySQL Configuration Options You can specify startup options on the command line when you invoke th
2020-02-21 07:56:27
原创 MD5 For Windows
certutil -hashfile filename MD5 certutil -hashfile p29832062_122010_MSWIN-x86-64.zip SHA1 certutil -hashfile filena
2019-09-15 17:46:51
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原创 12c datapatch Could not open logfile
Connecting to database...OK Bootstrapping registry and package to current versions...done Determining current state...
2019-09-15 17:46:51
原创 Unable to install ORACHK utility on AIX platform --Oracle Tools
似乎ORACHK在AIX上無法成功安裝？ Hi All, We are facing below issue while installing ORACHK utility on AIX platform.
2018-09-04 06:27:23
原创 兩招讓你知道數據庫消耗IO的進程是誰？
兩招讓你知道數據庫消耗IO的進程是誰？ 在某客戶現場保障，客戶反映說“服務開通系統”IO佔用率100%，讓幫忙查原因。 登錄到系統，兩招幫客戶找出了消耗IO的進程，具體步驟如下： 1、用glance查看系統資源 可以看到Disk U
2018-09-04 06:27:22
原创 ogg簡單維護命令--轉jelephant
1.查看進程狀態GGSCI (PONY) 2> info all2.查看進程詳細狀態，有助於排錯GGSCI (PONY) 2> view report +進程名稱3.查看告警日誌信息GGSCI (PONY) 2> view ggsevt4
2018-09-04 06:27:22
原创 Main Note - Oracle GoldenGate - Supplemental Logging
The query below will tell you if Supplemental Logging is turned on at the database level: select SUPPLEMENTAL_LOG_DATA_
2018-09-04 06:27:22
原创 Certification, Software Downloads, and Support Coverage
很多人都在問GoldenGate 10.x.x.x是否可用於Oracle 9i and so on,通過MOS的certification可以找到答案，關鍵部分摘錄如下，供參考 Certification, Software Downl
2018-09-04 06:27:22
原创 How to Set Up Replication--MySQL Concept
Thissection describes how to set up complete replication of a MySQL server. Thereare a number of different methods for
2018-09-04 06:27:22
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原创 MySQL學習筆記-04_Server_Config（mysqld --verbose --help）
[root@songyb usr]# mysqld --verbose --help 2015-11-11 17:32:14 0 [Note] mysqld (mysqld 5.6.27) starting as process 469
2018-09-04 06:27:21
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原创 Using Option Files --MySQL Concept
Using Option Files MostMySQL programs can read startup options from option files (also sometimescalled configuration fi
2018-09-04 06:27:21
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