Database Reference
In-Depth Information
Express Edition
This edition is FREE and it is optimized for servers having with
one processer with memory limit of 1 GB. The database size is
limited to 4 GB in this edition.
Oracle Personal Edition
This edition has all the functionalities of Enterprise Edition but
licensed for single-user. This edition is for single processor
workstations.
Oracle Database Lite,
This edition is designed for mobile devices. The database itself is
located on the mobile device and is having the ability to
synchronize with the main Oracle server.
After making a decision regarding which edition you need, the
next thing is to find out how you want to have the licensing of
the software. You can buy the licenses based on the number of
users using the Oracle Server or based on the number of
processors you will be having in the server machine.
Step 6: Purchasing OS and Hardware
The computer systems (or machines) that we normally buy from
the stores are more specifically called Desktop Machines.
Desktop machine has one processor, one power-supply, one
network card etc. and the fault tolerance is not that much
compared to a server machine where we are having multiple
processors, two or more power-supplies, two or more network
cards, multiple hard disks (SCSI) etc., everything in a single box.
The reason of having two or more power supply is that if one
fails the second one jump in automatically. If one network card
burns out, the other one jumps in automatically.
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