OCP Instructors Guide for Oracle DBA Certification : A Study by Foot C

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Additional info for OCP Instructors Guide for Oracle DBA Certification : A Study Guide to Advanced Oracle Certified Professional Database Administration Techniques

Example text

Size of Partitio n The second parameter to decide on is the size . You should enter the approximate value you want the partition to be in megabytes . Note that the actual size will depend on physical drive characteristics (sizes ar e rounded to the nearest disk cylinder) and and may vary by a fe w megabytes from the sizes you specified . " This option will allow this partition to use all available remaining disk space or share equally with any other partitions on the same physical disk, all the remaining disk space .

UNIX dominates the high-end market for production servers and high end graphics workstations because it has the reliability an d resilience to keep going . Security . Another reason for the strength of Linux and Unix o n the Internet is their mature and robust security model . The kernel is well protected from direct access by any user, and the fil e system is designed to be secure and has been proven secure fo r years on the Internet . Most security breaches are not from weaknesses that the average or even above average user would b e able to exploit in any operating system—it comes from poo r security practices of the users .

Do not choose any DOS partitions ; they are not optimized for database files in any way. Hard Drive Selectio n The hard drive option is an issue only if you have more than one physica l drive to choose from . If your system has a single IDE drive available, i t will be called hda (hard disk a) . This would be the name for the first har d drive on the IDE type first controller . The next drive would be hdb on th e same IDE controller. On the second IDE controller, the first drive would be hdc and the second would be hdd .

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