ocp 052 99题
99. Which two statements are true regarding Oracle Data Pump? (Choose two.)A.EXPDP and IMPDP are the client components of Oracle Data Pump.B.DBMS_DATAPUMP PL/SQL packages can be used independently of the Data Pump clients.C.Oracle Data Pump export and import operations can be performe...
北京记
到北京一段时间了,基本适应了北京的生活。记得刚到北京时的惶恐,找工作的辛苦。感谢朋友和同学的相伴。。。。才慢慢的适应了北京的生活。新的一年努力。。。。
ora_01578 数据库坏块
sys@TESTDB>create tablespace test datafile '/u01/app/oracle/oradata/testdb/test01a.dbf' size 20m;Tablespace created.sys@TESTDB>create user test identified by test default tablespace test;User created.sys@TESTDB>conn test/testERROR:ORA-01045: user TEST lacks CREATE SESSION privilege; logon den...
ocp 052 第62题 理解
1. Examine the values for the following initialization parameters: FAST_START_MTTR_TARGET = 0LOG_CHECKPOINT_INTERVAL = 0Which two will be the implications of these values in&nb...
linux 逻辑卷等
linux 逻辑卷的使用给磁盘分区并添加lvm标示[root@node1 /]# fdisk /dev/sdbThe number of cylinders for this disk is set to 2610.There is nothing wrong with that, but this is larger than 1024,and could in certain setups cause problems with:1) software that runs at boot time (e.g., old versions of ...
什么是增量检查点?
最近对增量检查点和全局检查点有些疑惑,查看了很多的资料感觉都写得非常复杂不容易理解。下面贴出一些自己的心得,如果有错误的地方希望得到指正。 ...
关于redolog的恢复
1,通常情况如果日志文件多元化,日志组好的成员拷贝到损坏的日志成员就可以了。一下只考虑一些极端的日志文件损坏的情况。2,通常联机日志有四种状态 active 、 不是正在使用的日志文件,但是日志条目对应的脏数据并没有写到数据文件里,如果实例异常崩溃,而日志文件损坏的话是要丢数据的。 &nb...
一些总结而已
1,scan ip的功能 2,10g和11g rac的区别3,undo 表空间的作用undo 表空间是存放未提交的数据块,从这点看undo有两个功能 一,读一致性,是在数据未提交之前,其它会话又要访问这些数据的时候,必须从undo段里读取。 &nb...
segment的理解
英文太烂 Data segment Each nonclustered table has a data segment. All table data is stored in the extents of the data segment.每个普通表都有一个数据段,所有表的数据存储在数据段的区里。 ...
密码文件信息总结
一, 实施目的了解密码文件的相关信息二, 实施环境ItemSystemPlatformOEL5.4HostnameNode1...
ogg一个奇葩的问题 OGG-01031
今天搭建ogg的时候遇到一个奇葩的问题,现将问题贴出来供大家一起思考 &...
ogg启动步骤
[oracle@node1 ~]$ ggsciGGSCI (node1) 1> start mgrCannot load ICU resource bundle 'ggMessage', error code 2 - No such file or directoryCannot load ICU resource bundle 'ggMessage', error code 2 - No such file or directoryAborted[oracle@node1 ~]$ cd /u01/app/ogg[oracle@node1 ogg]$ ./ggsci启动管...
ORA-00119
修改hostname后SQL> startupORA-00119: invalid specification for system parameter LOCAL_LISTENERORA-00130: invalid listener address '(ADDRESS=(PROTOCOL=TCP)(HOST=node3)(PORT=1521))'SQ> create pfile='/home/oracle/init.ora' from spfile='/u01/app/oracle/product/11.2.0/dbhome_1/dbs/spfileprod.ora';...
oracle 11g tns和监听配置
11g的监听配置[oracle@node3 admin]$ more listener.ora LISTENER = (DESCRIPTION_LIST = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.11)(PORT = 1521)) ) )ADR_BASE_LISTENER = /u01/app/oracle11g的tns配置[oracl...
ORA-01919
SQL> set autotrace trace SP2-0618: Cannot find the Session Identifier. Check PLUSTRACE role is enabledSP2-0611: Error enabling STATISTICS reportSQL> conn / as sysdbaSQL> grant PLUSTRACE to hr;grant PLUSTRACE to hr *ERROR at line 1:ORA-01919: role 'PLUSTRACE' do...
删除undo表空间
SQL> show parameter undoNAME TYPE VALUE------------------------------------ ----------- ------------------------------undo_management ...
IMP-00033
[oracle@node1 ~]$ imp scott/oracle ignore=y tables=emp4 full=n file=/home/oracle/emp5.dbfImport: Release 11.2.0.1.0 - Production on Sun Nov 17 17:36:40 2013Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.Connected to: Oracle Database 11g Enterprise Edition Rele...
EXP-00091
到处一张表的时候报错 [oracle@node1 ~]$ exp scott/oracle tables=emp5 file=/home/oracle/emp5.dbfExport: Release 11.2.0.1.0 - Production on Sun Nov 17 16:59:32 2013Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.Conn...
ORA-03113
开库报错SQL> startup;ORA-03113: end-of-file on communication channel修改了spfile的 *.processes[oracle@node1 dbs]$ vi spfileprod.ora *.processes=150修改为*.processes=15从新开库正常 &nbs...
ORA-01194
环境redhat5.5oracle 11g开库报错 SQL> alter database open resetlogs;alter database open resetlogs*ERROR at line 1:ORA-01194: file 1 needs more recovery to be consistentORA-01110: data file 1: '/oradata/prod/system01.dbf'SQL> recover database until c...