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Install Oracle 11g R2 Prerequisite Check Failure resolution
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Comments 2012-03-28 10:43Physical memoryPhysical memory-This prerequisite will test whether the total physical memory of the system is at least 922MB (944128.0KB).Expected value: N/AActual value: N/AError List:-Available Physical memoryPRVF-7531: Unable to perform p
Prior to 11.1, many people might have known that Oracle database history passwords could be restored through alter user identified by values password, but several problems occurred in 11g:1. Dba_users no password record (null value), this problem can be directly queried User$.password still have recordsSql> Select pass
New Features of Oracle 11g: User rename
Oracle Data is constantly changing during project development. Therefore, we need to regularly import the development database to the test database. The common practice is "trilogy :"
1. Export data from exp in the Development Library
2. Delete the Test Database
1. automatic Installation selected during installation. Because the user name and password have been forgotten for a long time, I have tried several default user names and passwords (The table contains the default user name and password ), the user name and password are all invalid. Finally, you have tried dbsnmp/dbsnm
Instance code for Oracle 11g User Password modification and lock/unlock function, oracle11g
1. Run cmd.exe;
2. Enter sqlplus/as sysdba to connect to the database as a system administrator (sysdba) for database management.
3. After successful connection, run
Alter user identityName identified by password; -- Change pass
and datafiles;Modify table space Size (Note: Modify = can be increased and can be reduced.) )alter?database?datafile '/u01/app/oracle/oradata/orcl/ittbank.dbf ' resize 200m;Increase table space Size (Note: increase = can only increase, cannot be reduced.) )alter tablespace ittbank add datafile '/u01/app/oracle/oradata/orcl/ittbank.dbf ' size 2048m;Querying database files:select * from Dba_data_files;To que
Tags: Ops directory sed nal RTM user its source users Oracle HR Example User's build 10g,11g can be Put the 10. sql files on the attachment (see the end of the article) in this path first: $ORACLE _home/demo/schema/human_resources
Script Name
Description
Hr_analz.sql
2014Copyright (c) 1982, 2005, Oracle. All rights reserved.ERROR:Ora-01017:invalid Username/password; Logon deniedPlease enter user name:C:\Documents and Settings\guogang>sqlplus Gg_test/[email Protected]_ggSql*plus:release 10.2.0.1.0-production on Monday August 4 17:52:35 2014Copyright (c) 1982, 2005, Oracle. All rights reserved.Connect to:Oracle Database
objects even if they is Lockedobj_filter_lista List of object fil Ters. When provided, Gather_schema_stats would GATHER statistics only on objects which satisfy at least one object filter in the List as needed. In a single object filter, we can specify the constraints on the object attributes. The attribute values specified In the object filter is case-insensitive unless double-quoted. Wildcard is allowed in the attribute values. Suppose non-null values S1, s2, ... is specified for attributes A
PS: The following are the most common basic management commands for Oracle 11g, including creating users, table spaces, permission assignments, and so on. The following commands I have verified the operation, and added my summary and instructions.1. Start the Oracle database:Switch from root to Oracle
1,oracle Default user name, passwordUsername/Password Login identity (role) descriptionSys/change_on_install SYSDBA, Sysoper cannot log in as NORMALSystem/manager NORMAL cannot log in with SYSDBA, SysoperScott/tiger Normal Normal User2, user sys and system Sys : sysdba(System administrator) Sysoper(System Operator) dba(Database Administrator role) system : DBA(
Tags: c99 9.png Status Blog Application-o OSS Connection resultsIf you want to see the presence of a user in an Oracle system Dba_users viewIf you use Sqlplus queries you need to format them in advanceSql> col username for A20Sql> Col Account_status for A20Sql> Col default_tablespace fora20Sql> Set Linesize 120Sql> Set PageSize 120Sql> select Username,account_status,default_tablespace from Dba_users;USERNAM
Label:When you install Oracle, the default password is as follows if you do not reset the password for the following users: Username/Password Login ID descriptionSys/change_on_install SYSDBA or Sysoper cannot log on as NORMAL and can be used as the default system administratorSystem/manager SYSDBA or NORMAL cannot log on as Sysoper and can be used as the default system administratorSysman/oem_temp Sysman user
created in lowercase Tom, it is capitalized in the data dictionary, so you also need to write uppercase when queryingDelete Tom UserDrop user Tom;Create user "Tom" identified by Oracle;Delete Tom UserThe correct way to delete this should be:Drop user "Tom";Create user tom,
Label:Oracle 11g before the default user is not the limit of password expiration, in Oracle 11g, the default profile enabled password expiration time is 180 days. As follows:SELECT * from Dba_profiles where profile= ' DEFAULT ' and resource_name= ' password_life_time ';Expired passwords can be modified by the alter
Logonpasswords is not case sensitive.If the user is importing from Oracle 10g, then the value of Password_versions is "10G", and maintaining a case-sensitive password does not depend on the Sec_case_sensitive_logon parameter setting. Assuming that the Sec_case_sensitive_logon parameter is set to True, the password becomes immediately case sensitive.Sql> SELECT * from V$version whererownum=1;BANNER---------
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