Oracle 7到12c 数据库升级路线图
自己画了个从oracle 7及后续版本升级到oracle 12c 的升级路线图。 另存为下载查看效果良好。
ORACLE 9i-23ai
数据库oracle
RedHat(RHEL)6 support ASMLIB (RHEL6支持asmlib)
With the annoucement of Oracle’s database support on RHEL6 and OEL6, they have decided to stop making ASMLIB for RHEL compatible kernels. ASMLIB is now only available if you are using Oracle Unbreakable Linux Kernel.But Recent events enabled Red Hat and Oracle to work togethe. Oracle ASMLib availability and support on Red Hat Enterprise Linux 6.
PLS-00382: expression is of wrong type When using “execute immediate” dynamic SQL statement
今天测式部门同事遇到的一个问题记录一下，开发库运行正常，同样的复制到测试库执行应用报错,
LINE/COL ERROR
——– —————————————————————–
59/5 PL/SQL: Statement ignored
59/23 PLS-00382: expression is of wrong type
Exp Error exp-56 ORA-24324 and ora-7445 in alert When shared pool is very small
EXP-00056: ORACLE error 24324 encountered
ORA-24324: service handle not initialized
ORA-07445: exception encountered: core dump [kgghstfel()+15] [SIGSEGV] [Address not mapped to object]
Script:List all SQL in the library cache cursor referencing a given table .(列出指定表上所有相关SQL)
PROMPT List all SQL in the library cache cursor referencing a given table — Author: weejar — — you need to run this script either as SYS or — need to have relevant X$ proxy views created — I tested in oracle 11g it worked . undefine owner undefine table_name prompt accept owner prompt ‘Please … Read more
Recovery Loss Of Datafile For Which No Backup Is Available(恢复没有备份的数据文件)
来模拟一种刚建的表空间，还没来的及备份，数据文件被删除，但archive log 都在时的恢复。 sys@ANBOB>create tablespace tbs_rm datafile ‘/oradata/anbob/tbs_rm01.dbf’ size 10m; Tablespace created. sys@ANBOB>conn anbob Enter password: Connected. anbob@ANBOB>create table test_rm tablespace tbs_rm as select rownum id from dual connect by levelselect * from test_rm; ID ——————– 1 … 9 10 破坏数据文件，使用mv [oracle@db231 ~]$ mv /oradata/anbob/tbs_rm01.dbf /oradata/anbob/tbs_rm01_dbf sys@ANBOB>alter system flush buffer_cache; System altered. anbob@ANBOB>select * from … Read more
Build the BBED utility in ORACLE 11G on linux
Oracle has the BBED utility (block browser and editor) is is all releases of Oracle, from Oracle7 to Oracle10g,In Oracle 11g, BBED becomes unavailable but if you search in the ins_rdbms.mk makefile,…
11G ADG automatic repair corrupt data blocks(ABMR自动坏块修复)测试二
standby site 的ABMR没有成功， 后来是怀疑buffer header中有mrec 的block, 现在我接着测试如果buffer header 中没有此类block，ABMR是否成功?以前用bbed 标记corrupt block的方式， 如果有corrupt block时rman backup 又会怎么样？
11G ADG automatic repair corrupt data blocks(ABMR自动坏块修复)测试一
Automatic block repair allows corrupt data blocks to be automatically repaired as soon as the corruption is detected. This feature reduces the amount of time that data is inaccessible due to block corruption.
ORA-12592: TNS:bad packet issue on Dataguard primary site
今天刚搭建的一个Data guard环境，一开始在日志传输时遇到ora-12592错误，ORA-12592: TNS:bad packet
AWR Formatter (一个不错的AWR报告格式化google chrome 插件)
一个不错的oracle AWR 报告本地文件格式化chrome浏览器插件，看似用js完成，有一些特性非常不错，拿出来分享，作者Tyler Muth –观看 需要翻墙 视频介绍 下载 下载地址1 下载地址2 安装方法 1，下载AWR-Format.crx文件 2，打开chrome 谷歌浏览器，我这里版本是28，点击右上角的按钮或显示菜单，找工具–扩展程序 打开扩展程序页面 3，用鼠标把1 下载的文件托进浏览器的这个页面，增加插件，默认是启用，勾选插件下的“允许访问文件网址” 4，右击本地的AWR html文件，使用google chrome 打开，体验一下吧
Resize datafile hit ORA-01237 ORA-27059 OSD-04005 O/S-Error: (OS 665) on windows 2008
当你在windows NTFS文件系统操作大的数据文件时，有时会遇到下面的错误:
The operating system returned error 665 (The requested operation could not be completed due to a file system limitation)
CRS-4124 CRS-4000 Oracle HAS startup failed after reboot server (RHEL6)
# crsctl start has
CRS-4124: Oracle High Availability Services startup failed.
CRS-4000: Command Start failed, or completed with errors.
How to used the gdb (GNU Debugger) Collecting Hanganalyze and Systemstate Dumps on Linux systems(操作系统收集hanganalyze和systemstate)
Prior to 10g you can use a unix debugger like gdb, adb or dbx to attach to a shadow process and dump the system state using the function ksudss which is the subroutine in the Oracle source code which does the same.
More about dead transactions recovery and cleanup(死事务的回滚清理)
If you need to recovery the dead transaction record of more than 100(_cleanup_rollback_entries parameter value), PMON only responsible for cleaning up dead session, which is responsible for the SMON recovery dead transaction.
ORA-10631: SHRINK clause should not be specified for this object(原因)
Shrink operations can be performed only on segments in locally managed tablespaces with automatic segment space management (ASSM). Within an ASSM tablespace. Restrictions on the shrink_clause.The shrink_clause is subject to the following restrictions…
ORA-00600: INTERNAL ERROR CODE, ARGUMENTS: [VOPRVL1], [], [], [], [], [], [], [] Issues
insert into table “with” subquery Failing with the following internel error.
ORA-600: internal error code, arguments: [voprvl1], [], [], [], [], [], [], []
ora-600 [2663]/[2662] internal error issue
A description for this ORA-600 [2003] error is not yet published. ora-600 2663/2662 is a data block SCN is ahead of the current SCN.
How to enable SQL*Net Tracing with Oracle Instant Client (二)
Dynamic server tracing allows for tracing at a per-process level and can be enabled ad hoc on any running server process. This is useful for tracing individual server side processes of a specific client connection or for tracing background server processes.
ORA-28002 Even If Default Prpfile PASSWORD_LIFE_TIME Has UNLIMITED Limit(用户profile密码生命周期无限制,密码仍然过期锁定的情形)
上周也就是2013年的最后一天，突然客户反应有些WEB应用页面报错只提到了ora-28002, 我立即用sqlplus 登录提示是ora-28001,显然密码已经过期, 我清清楚记的才因为一起类似问题, 前不久把所有的oracle 数据库应用用户profile PASSWORD_LIFE_TIME改为unlimited，怎么还会这样呢?