what oracle db

ORACLE External table Summary, ORACLE table Summary External table Introduction ORACLE External tables are used to access Text files (Text files) other than databases or ORACLE exclusive format files. Therefore, when an External table is created,

Detailed process of user interaction with OracleDB Interaction with Oracle DB The following example describes the Oracle database operations at the most basic level. This example shows an Oracle DB configuration in which the user and the

Overview: Oracle DatabaseIs an oldest commercial relational database management system. It is the core product of Oracle, a professional database manufacturer. It is also the most widely used, most powerful, object-oriented database system with a

Les08 user security management) [2080312], les082080312Purpose: To create and manage a Database User Account-authenticate a user-allocate a default storage zone (tablespace) grant and revoke permissions to create and manage roles create and manage

A customer's 11203 rac (asm) power loss the day before yesterday caused the database to fail to start. Note that the database is in archive mode. We can see how unlucky it is.According to colleagues, the startup failed due to damage to the redo and

Temporary Tablespace Temporary Tablespace is used to store instantaneous data, which can be viewed only during session connection. Permanentobject cannot be created in temporarytablespace. Space utilization principle: It will not be monitored or

Oracle RAC Load Balancing allows connections initiated from clients to be effectively allocated to instances with low listener load. There are two methods to achieve load balancing on the client. One is to configure the load_balance of the client,

If the system tablespace file is missing, it can be restored if there is a backup condition. The database needs to be set to mount state and then Restore/recover datafileSimulation Experiment:Sql> select name from V $ datafile;NAME-------------------

Recently listen to engage DB2 brothers said: DB2 database software license Platform (OS).Write it down first. Like DB2 on such a tall software, the chance of contact is less.In addition: DB2 license is required to play, do not hit the words, more

With the popularization of computers and the development of the network, the database is no longer just the topic of the programmer. Oracle database is based on its excellent performance, easy to operate and flexible features, in the database market

ORACLE DATA BLOCKThe Oracle data block is the smallest unit of the database management files.At the physical level, the Oracle data file is stored on the operating system, the smallest I/O unit is the operating system block, and the Oracle data

Original address: http://www.2cto.com/database/201505/399285.html1 Oracle Database structureOn this topic, the online search is absolutely a lot, not to mention the book appeared, there are many masters of the speeches. But we do not care about

The Oracle Learning Primer series FiveMemory structure, database structure, processThe previous Toad briefly described some of the features of Oracle's database products, other products, and Oracle software. Although the dry goods have but the

SunMicrosystemssun4uSunFireE6900Oracle11.1.0.7.0ASM database changes the system time, resulting in Oracle11g database instance downtime, ASM and ipvl Sun Microsystems sun4u Sun Fire E6900Oracle 11.1.0.7.0 ASM database changes the system time,

GConf error: Failed to contact configuration server, gconffailed The Linux system has been running normally, but the following error occurs when you log on to the GUI using the root account. This is the first time you encounter such a strange

Oracle RAC Load Balancing allows connections initiated from clients to be effectively allocated to instances with low listener load. There are two methods to achieve load balancing on the client. One is to configure the load_balance of the client,

In Oracle 10 Gb database, if you need to transfer the data files of one disk group in the ASM instance to another disk group. You can migrate data using a traditional file system or table space-level copy.For example, if there is a database sdb and

Sun Microsystems sun4u Sun Fire E6900 Oracle 11.1.0.7.0 ASM Database The system time is modified, causing the Oracle 11g database instance to go down. Both the ASM and ORACLE instances are unmounted. Tue Jul 14 20:11:00 1970Errors in

After a whim, I suddenly wanted to install Oracle10g and Oracle11g under OEL6. The two versions coexist to facilitate learning and experiment. This installation process is not difficult, if you have installed 10g and 11g respectively, I believe the

Original article: HowtogetdatafromOracleDBinsilverlightviaWCF? Zookeeper -------------------------------------------------------------------------------------------- Original article: How to get data from Oracle DB in silverlight via WCF?