database administration
DESCRIPTION
Database Administration. Installing Oracle 11g & Creating Database. Each database should have at least one instance associated with it. Meeting Creation Prerequisites: Before you can create a new database, the following prerequisites must be met: - PowerPoint PPT PresentationTRANSCRIPT
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Database Administration Installing Oracle 11g & Creating Database
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The Oracle Server consist of
1 -Database
Physical files Logical files
2 -Instance
Memory structures
Background processes
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Each database should have at least one instance associated with it.
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Meeting Creation Prerequisites:
Before you can create a new database, the following prerequisites must be met: The desired Oracle software must be installed. This includes
setting various environment variables unique to your operating system and establishing the directory structure for software and database files.
Sufficient memory must be available to start the Oracle Database instance.
Sufficient disk storage space must be available for the planned database on the computer that runs Oracle Database.
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Installing Oracle Software
Oracle Database 10g Pre-installation Requirements:Value Requirement
256 MB minimum; 512 MB recommendedOn Windows Vista, the minimum requirement is 512 MB Physical memory (RAM)
Double the amount of RAM Virtual memory
Basic Installation Type total: 2.04 GBAdvanced Installation Types total: 1.94 GB Disk space
256 Colors Video adapter
550 MHz minimumOn Windows Vista, the minimum requirement is 800 MHz Processor
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Where to download Oracle from ?
You can find Oracle 11g on the following link :
http://www.oracle.com/technetwork/database/enterprise-edition/downloads/index.html
Make sure to select the right file that is compatible with your operating system
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Important steps before installation : 1- create a folder in Downloads folder and name it
“Oracle 11g”. 2- save the both unzip files in folder Oracle 11g. 3- create another folder in Oracle 11g folder and
name it DB. 4- extract the first one in DB folder location. 5- extract the second one in DB folder location.
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This dialog will appear just do as bellow
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The instance name
The database name
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Creating an oracle database by: 1- Graphical tool, With Database Configuration
Assistant (DBCA). 2- SQL Commands, With the CREATE DATABASE SQL
statement.
You typically create a database during Oracle Database software installation.
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Database Configuration AssistantDuring the installation(oracle installation), you can create and configure database. or if you want to create additional databases using the release software, you can do so by using the Database Configuration Assistant (DBCA). DBCA also use for delete a database, add option to a database, or to manage templates.
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First, Log onto your computer as a member of the administrative group that is authorized to install Oracle
software and create and manage the database .
Then, Launch the DBCA on a Windows operating system as follows:Start > Programs > Oracle - home_name > Configuration and Migration Tools > Database Configuration Assistant
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Before open the oracle enterprise manager page :
Go to control panel -> system and security > administrative tools > services
Then make all the services associated with oracle name to start option.
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Accessing the oracle enterprise manager database control:
Point your web browser to the following URL:
http://hostname::portnumber/em
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