Brief Introduction of Oracle DBA: Oracle DBA performs on a 3-tiered architecture that includes end-user, application server, and the database. As you go through the PowerPoint presentation, any viewer can understand about the basics of data, stored on different media, 50 per cent market share of Oracle when compared to DB2, Informix, Sybase, and SQL SERVER. Oracle database works on Relational Database Management System, RDBMS, and it is solely dependent on the relational model. Furthermore, the viewer can get a glimpse of images, and texts that describe Relational Database concept in detail, and the ways adapted by the end user in the operation of Relational Database and what does it define. The PowerPoint presentation makes use of structured query language to query the Relational Database. In order to provide understanding to the viewer, the genesis of the Oracle DBA is elaborated, and at the end, the last PowerPoint slide illustrates the responsibilities assigned to the database administrator in the functioning of Oracle DBA. You too can pursue Oracle DBA 11g, and below is the gist of the course conducted at kernel Training. Oracle – DBA 11g COURSE CONTENT Module 1 INTRODUCTION to ORACLE Exploring the Database Architecture Module: 2 Installing your Oracle Software Module 03 Creating an Oracle Database Module 04: Managing the Database Instance Module 05 Managing Database Storage Structures Module 06 Administering User Security Module 07 Managing Data Concurrency Module 08 Managing Undo Data Module 09 Backup and Recovery Concepts Module 10 Use of RMAN Recovery Catalog & Configuring Backup Settings Module 11 Performing Database Backups with RMAN Module 12 Performing Database Recovery Module 13 Moving Data Module 14 Using Flashback Technology I Module 15 Using Flashback Technology II Module 16 Implementing Oracle Database Auditing Module 17 Database Maintenance Module 18 Performance Management Module 19 Managing Performance by SQL Tuning Module 20 Diagnosing the Database Module 21 Managing Space Module 22 Managing Space for the Database Module 23 Managing the ASM Instance Module 24 Duplicating a Database / Cloning Database Module 25 Data Guard

1. Introduction to Oracle
Database

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3-tier Architecture
DATABASE
DATA
End-User Application Server
Application Softwares
Application Logic
Websites
Network Network

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DATA
Every organization has some information needs.
• A library keeps a list of members, books, due dates, and fines.
• A company needs to save information about its employees,
departments, and salaries.
These pieces of information are called data.

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Database
• A database is an organized collection of data for one
or more purposes, usually in digital form.

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Oracle Database
ORACLE
DB2
INFORMIX
SQL SERVERSYBASE
50% of Market Share

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Relational Database
• A relational database management system (RDBMS) is a
database management system (DBMS) that is based on the
relational model as introduced by E.F. Codd.

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Relational Database
DATABASE
DATA
Tables
End-User
SQL
• Retrieve Data
• Insert Data
• Modify Data
• Remove Data

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History of Oracle Database
ORACLE

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History Oracle Database
• In 1977, Larry Ellison, Bob Miner and Ed Oates founded
Software Development Laboratories
• After reading a paper by Codd in IBM Journal of Research &
Development, they created Oracle. (written in Assembly languag
• Version 2.0 of Oracle was released in 1979 & The company
changed its name to Relational Software Inc. (RSI)
• In 1982, RSI was renamed to Oracle Corporation.
• In 1983, Oracle released version 3.0,
which was rewritten in C.
• In 1984, Oracle 4.0 & In 1985 version Oracle 5.0 released.

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• In 1986, Oracle goes public on the NASDAQ exchange.
• In 1988, Oracle version 6.0 was released.
(It provided row-level locking, hot backup and
PL/SQL)• In 1992, Oracle 7.0 released. It provided better performance,
administrative utilities, application development tools, secu
stored procedures, triggers and declarative integrity.
• By 1999, Oracle released Oracle 8i. Supported for XML, Java V
Machine (JVM) to run Java program in Database and also sc
which was required for internet databases.
• In 1997, Oracle released Oracle 8.0. It started embracing Java.
Partitioning, support for images, large text, external data etc.(
*Started support for Object in database (Object-Relational DB

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History Oracle Database
• In 2001, Oracle9i was released. Allows Oracle to run on RAC.
• In 2003, Oracle10g was released, where g stands for Grid comp
• In 2007, Oracle has released Oracle11g.
Employing nearly 1,08,000 people worldwide as of 31 May 2011.

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Responsibilities of Administrator
DATABASE
Enforcing Data
INTEGRITY
ASSIST
PROGRAMMERS
Maintaining
SECURITY
Providing
AVAILABILITY
RECOVERING
DATA
PERFORMANCE

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Questions?

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THANK YOU
for attending Demo ofOracle DBA