Download LAB #1

Database Administration
Installing Oracle 11g & Creating Database

The Oracle Server consist of
1- Database
Physical
files
Logical files
2- Instance
Memory
structures
Background
processes
 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:

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.

Installing Oracle Software
 Oracle Database 10g Pre-installation Requirements:
Requirement
Value
Physical memory (RAM)
256 MB minimum; 512 MB recommended
On Windows Vista, the minimum requirement is 512 MB
Virtual memory
Double the amount of RAM
Disk space
Basic Installation Type total: 2.04 GB
Advanced Installation Types total: 1.94 GB
Video adapter
256 Colors
Processor
550 MHz minimum
On Windows Vista, the minimum requirement is 800 MHz
You can find Oracle 11g on the following link :
http://www.oracle.com/technetwork/database/enterpriseedition/downloads/index.html
Make sure to select the right file that is compatible with
your operating system
 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.
 This dialog will appear just do as bellow
The database name
The instance name
 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.
Database Configuration Assistant
During 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.
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.
Point your web browser to the following URL:
http://hostname::portnumber/em