oracle rdbms

Directory Directory Objective Oracle's architecture Oracle RDBMS Frame composition Storage structure Physical Structure Data Files Redo Log Files Control Files Parameter File Password File Logical Structure Mapping of logical space to physical space Memory struc

vulnerability. All users who use Oracle products cannot help but become nervous about the originally relaxed brain, after all, it is related to your own "Personal Life ".I will take you into the world of Oracle data security. Due to my limited level, the shortcomings are inevitable.(1) Basic knowledge about Oracle databases This is just to lay some foundation fo

= $ORACLE _base/product/11.2.0/db_1;export ORACLE_HOMEORACLE_SID =orcl;export oracle_sidoracle_term=xterm;export oracle_termpath=/usr/sbin: $PATH; export pathpath= $ORACLe_home/bin: $PATH, export pathexport nls_date_format= "Yyyy-mm-dd HH24:MI:SS" ld_library_path= $ORACLE _home/lib:/lib :/usr/lib;export ld_library_pathclasspath= $ORACLE _home/jre: $

The installation of Oracle Rac,grid and Oracle on AIX 7100-02-03-1334 is complete. But DBCA built the database crash, the following is the building of the Alert.log, the database reported ora-07445 error, DBCA log can be found in the CREATE database error. No matching documents were found on MOS, try using other methods. /ORAAPP/ORACLE/DIAG/

1:standby Database:Sql> select * from V$version; BANNER------------------------------------------------------------------------------------------------------------------- -----------------------------------Oracle Database 11g Enterprise Edition Release 11.2.0.1.0-64bit productionpl/sql Release 11.2.0.1.0-productioncore 11.2.0.1.0 productiontns for Linux:version 11.2.0.1.0-productionnlsrtl Version 11.2.0.1.0-production2:when database open and a

verification.F. Operating System verificationI. For DBA, the first step is to verify the operating system. Therefore, you can log on to the DBA without a password or any other password, because it is an operating system user.1) if the operating system authentication is canceled, the password file will be verified. It will not work if you do not write the password. 2. Manage instances Multiple database instances can be registered to a listener at the same time. They register their Instance name

(1) Select the most efficient table name order (valid only in the rule-based optimizer):The Oracle parser processes the table names in the FROM clause in a right-to-left order, and the FROM clause is written in the final table (the underlying table, driving tables) will be processed first, and in the case where the FROM clause contains more than one table, you must select the table with the fewest number of record bars as the underlying table. If you

corresponding path to ensure that the directory exists.6. Start running script database creation (about 2 minutes)[Oracle @ ocm1 PROD] $ sqlplus/as sysdbaSQL * Plus: Release 10.2.0.1.0-Production on Sat Jan 10 19:51:10 2015Copyright (c) 1982,200 5, Oracle. All rights reserved.Connected:Oracle Database 10g Enterprise Edition Release 10.2.0.1.0-ProductionWith the Partitioning, OLAP and Data Mining optionsSYS

or directoryAdditional Information:3Step 3: View the DBW process under the OS system, locate the process SPID, and locate the deleted data file under the/PROC/27722/FD pathSql> exitDisconnected from Oracle Database 11g Enterprise Edition release 11.2.0.4.0-64bit ProductionWith the partitioning, OLAP, Data Mining and real application testing options[Oracle@localhost ~]$ ps-ef|grep dbw|grep-v grepOracle 2772

Tags: chm close EPO tips PKI get kernel parameters build Blog ======================================== - Environment: VM12+CENTOS7 x86_64 Minimal -minimized installation CENTOS7 -Virtual machine provisioning Reset-50G HDD -2G RAM + 2G swap ========================================description [Root] [Oracle] represents the specific user who will perform theI. Adjustment system[Root] #安装一些必要的软件 # #wget Download # #unzip unzip the

vulnerability. All users who use Oracle products cannot help but become nervous about the originally relaxed brain, after all, it is related to your own "Personal Life ". I will take you into the world of Oracle data security. Due to my limited level, the shortcomings are inevitable. (1) Basic knowledge about Oracle databases This is just to lay some foundatio

Corporation. All rights reserved.Oracle Home:/u01/oracle/product/db10gr2Central Inventory:/u01/oracle/oraInventoryFrom:/etc/oraInst. locOPatch version: 10.2.0.4.2OUI version: 10.2.0.4.0OUI location:/u01/oracle/product/db10gr2/ouiLog file location:/u01/oracle/product/db10gr2/export toollogs/opatch/opatch2010-07-30_11-1

Label:Chapter II ASM INSTANCEthe type of ASM, for example, can be:The Oracle instance type adds an ASM category after 10g. The parameter instance_type=asm is set.ASM Instance startup command: StartupNomountLaunches the instance and background processes. But the disk group is not mountedMountlater. The instance launches the Asm_diskgroups specified disk group in the parameter file, assuming that the null parameter will trigger the ORA-15110 error messa

Tags: RAC position system Dynamic default nbsp article pwd Ace 1. View the log file location. [email protected]>select inst_id,name,value from V$diag_info; inst_id NAME VALUE---------- -------------------- --------------------------------------------------1 Diag Enabled TRUE1 ADR base/u01/app/oracle1 ADR Home/u01/app/oracle/diag/rdbms/prod/prod1 Diag trace/u01/app/orac