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The reader need not master the Oracle Database 10g architecture to become fluent with the software. Just as an electrician needs the assistance of a good set of blueprints, the Oracle Database 10g technical person should understand some of the inner workings of the software. A peek under the covers, as brief as it may have been in this section, is a good path to follow while becoming familiar with what Oracle Database 10g is all about.
Before moving on to discuss Oracle Database 10g data types, let's spend a minute looking at the database administrator, the ultimate director of the operations of the database.
This privileged user of the Oracle Database 10g is commonly the most experienced technician in the shop, with some exceptions. Often, recent adopters of the Oracle technology have little or no in-house experience, and one or more employees may find themselves targets of the familiar directive ''So, you're the new Oracle Database 10g DBA!" One scrambles to find sources for technical knowledge when thrust into this role and, what better place to be than reading Oracle Database 10g: A Beginner's Guide? The following list outlines common responsibilities of the Oracle Database 10g DBA:
Install and configure the Oracle Database 10g software.
Create tablespaces within which application data will reside.
Create and manage accounts.
Tweak the environment within which the Oracle Database 10g operates by adjusting initialization parameters using the system parameter file.
Configure backups and carry out recovery tests to ensure the usability and integrity of system backups.
Work with developers to ensure the code they write is optimal, and use the server's resources as efficiently as possible.
Keep abreast of the emerging technology and be involved in scoping out future direction based on enhancements delivered with new software releases.
Work with Oracle Support Services, initiating technical assistance requests (iTARs) to engage support analysts in problem-solving endeavors. The front-end to the iTAR creation process is called MetaLink.
Tune the Oracle Database 10g so applications can coexist with one another on the same server and share that machine's resources efficiently.
Work with the system administrators to ensure the appropriate disk space and processor power are available and properly utilized.
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