Oracle Resource Manager (Oracle Database Resource Manager, hereinafter referred to as DBRM) manages database resources and assigns different database resources to different sessions. The resources managed by DBRM mainly include CPU time. The
Error 1:ora-01756:quoted string not properly terminated
Chinese content cannot be inserted due to inconsistent character set encodingQuery the character encoding settings for the current database:Sql> SELECT * from V$nls_parameters T WHERE
21. Returns a digital inverse cosine value
Sql> select cosh from dual;
COSH (20)
---------
242582598
22.EXP
Returns the n-th square root of a number E
Sql> Select exp (2), exp (1) from dual;
EXP (2) exp (1)
--------- ---------
7.3890561 2.7
The Oracle tutorial you are looking at is: analysis and resolution of common Oracle error codes.
In the process of using Oracle, we will often encounter some Oracle errors, for beginners, these errors may be a little fuzzy, and may not know how to
Many DBAs are still at Oracle 9i or 10g, possibly because of the Oracle 11g price issue. This article will explain the installation of Oracle 11g under Windows 7, and I hope you can see some of the new features of 11g.
Recently unloaded their own
Oracle database user name and password (Linux for example), the need for friends can refer to the next.
Preparatory work before modification:
Use the SSH tool to connect to the server as rootThen switch to Oracle User: Su-oracle (carriage
The index quality has a direct impact on the overall performance of the database. A good quality index allows database performance to be upgraded at a quantitative level, while inefficient, redundant indexes make database performance slow, even with
Oracle Full Uninstall under Windows: Use Oui to unload a database, but there will still be some residue in the registry and file system after uninstalling. These residues not only consume disk space, but also affect Oracle's reinstallation and
oracle| Quick Start Preface
This article mainly introduces the common methods of Rman, including some of the author's own experience, the experiment is basically all in the win 2K and Oracle 8.1.6 Environment Test success (because this environment
oracle| execution
Oracle Diagnostics Case-job task stops executing
Last Updated:friday, 2004-11-26 9:48 eygle
Yesterday, a researcher reported that the database timed tasks did not perform properly, causing some operations to fail.
began to
Client|oracle
Install Oracle Client on Solaris
To install Oracle client on Solaris 5.8, please follow this steps:
1. Create a user account on Solaris, just like:oracle9i.
2. Log on Solaris with the account.
3. Download The Oracle 9i (bit)
Oracle Configuring Linux for the installation Oracle Database 10gPurpose
In this lesson, your learn to configure Linux and prepare for the installation of Oracle Database 10g.
Topics
This lesson covers the following
Oracle
Experience Summary:
The online logs are divided into current and non current online logs, and the corruption of the non-current online log is relatively simple, and the problem can be resolved by the clear command.
Corrupt non-current
I. Preparation before the start
1. Launch Oracle
Start the Listening service: Oracleorahome90tnslistener
Start Instance service: Oracleserviceorac
2.Oracle System User
Oracle three major system users
By default: System/welcome
Super User: Sys/
The external table introduced in Oracle 9i allows you to map a sequential text file to an Oracle table definition. Once you have defined an external table, you can apply all the functionality of the SQL SELECT statement-including parallel queries-to
The customer database is MySQL, and the developed product supports Oracle, and we have to turn the database environment from Oracle to MySQL in order for our customers to pay. We have encountered some of the following problems in the process of
Oracle claims to install the Oracle9i database under Linux at least 512MB of memory and at least 1GB or twice times the memory size of the swap space, for the system memory is greater than 2GB of servers, swap space can be between 2gb-4gb.
If you
Oracle's 11GR2 version does not make much of a change to the data pump, mainly by adding support for the original version parameters and removing some small restrictions.
This article introduces the legacy mode of the data pump.
The function
In the Database system class, the teacher introduced two types of databases: Oracle Database and SQL Server. They also talked about the differences between Schema and SQL Server, here, I also want to add the difference between the MySQL mode and the
This is an emergency data recovery case from a customer we received yesterday. Generally, the database cannot be open due to power loss. After preliminary troubleshooting, it is confirmed that the database version is Oracle 11.2.0.3 (linux RAC) and
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