Solution for Oracle 11g forgetting SYS and SYSTEM passwords
Oracle 11g forgets the SYS and SYSTEM passwords. The answer is simple: change the password!
1. First, log on to the SYS account using the operating SYSTEM authentication method and change
I. Switching users
To control and manage Oracle, you must first switch to the Oracle user. The following command is generally used:
Su-oracle
Ii. Start the listener
To remotely connect to the database, you must start the listener by using the
Alas, the project requires Oracle. I really don't want to use this large database for computers with low memory and CPU clock speed.
No way. I may need to use my computer during review. I have to configure the database first.
It is very convenient
ORACLE System Table Overview, oracle Overview
Oracle System Table Overview
The following is a comprehensive introduction to Oracle system tables: the data dictionary dict always belongs to the Oracle user sys.
1. User:
Select username from
How to get an execution plan and an execution plan
How to get an execution plan from oracle 1. Get a common execution plan. The effect is similar to executing set autot on exp first and then executing SQL. Explain an plan for your_ SQL; select *
Oracle tablespace recovery
If the test. dbf data file of test in a tablespace is deleted by mistake, and the database cannot be opened the next time you restart the database ),Always reports an error: SQL> alter database open;Alter database open
How to manually delete an Oracle 11g database in Linux
The following steps teach you how to manually delete an Oracle 11g Database in a Linux environment.
I installed the Oralce 11G database on CentOS 6.
Use SQLPlus or other command line tools you
Today I encountered a strange problem:Using sqlplus on the client allows normal users to log on, but neither system nor sys users can log on, prompting ORA-12154: TNS: unable to resolve the specified connection identifierSQL> conn system @
Oracle 9i has three Data Types About Time: Timestamp [(precision)] timestamp [(precision)] with Time Zone timestamp [(precision)] with local time zone, timestamp [(precision)] with Time Zone stores time zone information.
1. Oracle time zone settings
You are not authorized to create a view in Oracle. You are authorized to create a view in oracle.
Q: After using scott to log on to Oracle, the system creates a view and prompts "insufficient Permissions". How can this problem be solved?Answer:This
The concurrent manager Process of EBS, ebsconcurrent
First, use sqlplus to connect to the database and check the connection session.
select * from v$session where username='APPS' and program like 'sqlplus%';
View the session information of the
Q: After using Scott to log on to Oracle, the system creates a view and prompts "insufficient Permissions". How can this problem be solved?Answer:This is because Scott has no permission to create a view. Solution:First, use the system account to
System Environment: window7 + Oracle10g + PL/SQL 8.0
Problem description:
1. After oracle is installed and the service is started, PLSQL cannot be used to connect to the database. The interface is blank.
2. Use sqlplus to connect to the
Enhance Oracle Security
1. Prohibit sys from bypassing Password Authentication
(Conflicts with Solaris clusters, use with caution)
1. CD/export/home/Oracle/orahome1/Network/admin/
If you do not know the installation path of Oracle, you
ArticleDirectory
Version: Oracle 9i 9.2.4.0Since oracle is installed on an intranet machine and uses broadband to connect to the Internet, the external database needs to map out the Oracle port for remote connection. It was thought that it
Update fpi_warehousingentry t set T. warehousingdate = to_date ('2017-11-29 12:00:00 ', 'yyyy-mm-dd hh24: MI: ss ')
";" Cannot be added at the end of the logon to the database using the command line sqlplus. Otherwise, an error is reported.
For
Using Oracle ODP. Net 11g. Net Program release method ()
ODP. net 11g is released by Oracle for. netProgramThe ADO. NET component that accesses the Oracle database has better performance than the Oracle component that comes with Microsoft. It can
1. Modify core operating system parameters
Perform the following steps under the root user:
1) modify the user's shell restrictions and modify the/etc/security/limits. conf file
Enter the command VI/etc/security/limits. conf, press the I key to
Oracle accounts are frequently locked
I logged on to the department knowledge base this morning and found that the knowledge base application could not log on again. I was wondering why I had reset all my expired passwords yesterday. Why have I been
First of all, I apologize to you for your lack of stability due to work reasons, so my blog has not been updated in time. Today, I finally took the time to update my blog and write the results I got in two hours.
Recently, the development platform
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