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Course Info

  • Category: IT Program
  • Duration: 2 Months.
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Oracle Course

Introduction to the Oracle Database:

This chapter provides an overview of the Oracle database server.
The topics include:

■ Oracle Database Architecture
■ Oracle Database Features
■ Oracle Database Application Development

Oracle Database Architecture

An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. A database server is the key to solving the problems of information management. In general, a server reliably manages a large amount of data in a multiuser environment so that many users can concurrently access the same data. All this is accomplished while delivering high performance. A database server also prevents unauthorized access and provides efficient solutions for failure recovery.

Oracle Database is the first database designed for enterprise grid computing, the most flexible and cost effective way to manage information and applications. Enterprise grid computing creates large pools of industry-standard, modular storage and servers. With this architecture, each new system can be rapidly provisioned from the pool of components. There is no need for peak workloads, because capacity can be easily added or reallocated from the resource pools as needed.
The database has logical structures and physical structures. Because the physical and logical structures are separate, the physical storage of data can be managed without affecting the access to logical storage structures.

The section contains the following topics:

■ Overview of Oracle Grid Architecture
■ Overview of Application Architecture
■ Overview of Physical Database Structures
■ Overview of Logical Database Structures
■ Overview of Schemas and Common Schema Objects
■ Overview of the Oracle Data Dictionary
■ Overview of the Oracle Instance
■ Overview of Accessing the Database
■ Overview of Oracle Utilities