原创 ORA-600 4194
Step by step to resolve ORA-600 4194 4193 4197 on database crash (文檔 ID 1428786.1) Basic Steps to be Followed While Sol
2020-07-05 06:48:36
3
原创 oradebug掛起進程測試
1、使用方法 選擇進程 SQL> oradebug setospid spid或者oradebug setorapid pid 掛起進程 SQL> oradebug suspend 重新開始進程 SQL> oradebug resum
2020-07-05 06:48:36
4
原创 HADOOP+ZOOKEEPER+HBASE測試搭建
三個節點環境變量 export PATH export JAVA_HOME=/usr/local/jdk1.8.0_191 export JRE_HOME=$JAVA_HOME/jre export CLASSPATH=.:$JAVA
2020-07-05 06:48:36
2
原创 搭建rac+racdg
主庫 # rac1 192.168.56.33 rac1 192.168.56.111 rac1-vip 10.10.10.1 rac1-priv # rac2 192.168
2020-07-05 06:48:36
1
原创 11g異機恢復19c，插入cdb
不太嚴謹的測試 將11.2.0.4 RAC異機恢復到19c後 數據庫切換到upgrade SQL> startup upgrade ORACLE instance started. Total System Global Area 8
2020-07-05 06:48:36
28
原创 Oracle ASM存儲限制
What is the Max LUN size in ASM 12c (not using Flex ASM). Before ASM 12c there was an limitation of 2 Tb LUNs. 12cR1
2020-07-05 06:48:36
17
原创 hanganalyz和ssd測試記錄
第一個窗口 查詢sid SQL> select distinct sid from v$mystat; SID ---------- 34 手動創造latch SQL> select name,add
2020-07-05 06:48:36
1
原创 Gaussdb----Instance Startup Failed
cat /opt/gaussdb/log/run/zengine.rlog UTC-5 2020-01-03 14:38:16.787|ZENGINE|00000|77309421615|INFO>[LOG] file '/opt/gau
2020-07-05 06:48:36
原创 redhat7一些操作
修改主機名 hostnamectl set-hostname <hostname> 配置yum cd /etc/yum.repos.d/ vi rhel-source.repo [oel7_local] name = oracle
2020-07-05 06:48:36
原创 19c pdb導出報錯 ORA-39126: KUPW$WORKER.FETCH_XML_OBJECTS [ORA-00942: table or view does not exist
19c pdb導出報錯 [oracle@rac19c1 ~]$ expdp system/oracle@pdb11g dumpfile=exp.dmp cluster=n directory=exp full=y; Export: Re
2020-07-05 06:48:36
38
原创 用x$ktsso查實際佔用temp的sql
數據庫版本11204RAC 執行佔用temp表空間sql SQL> select TABLESPACE_NAME,TABLESPACE_SIZE/1024/1024 ,FREE_SPACE/1024/1024 from dba_temp
2020-07-05 06:48:36
2
原创 truncate表恢復測試
創建測試表，truncate SQL> conn t1/t1 Connected. SQL> create table t4 as select * from user_objects; Table created. SQL> trun
2020-07-05 06:48:36
原创 測試flashback database
調整快速恢復區大小 SQL> alter system set db_recovery_file_dest_size=1G; System altered. SQL> alter system set db_recovery_file_d
2020-06-04 09:15:39
原创 測試重建pdb的xml文件
查看pdb SQL> show pdbs CON_ID CON_NAME OPEN MODE RESTRICTED ---------- ----------------------
2020-04-16 09:29:41
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