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ORACLE. Lecture 1: Oracle 11g Introduction & Installation. Overview. Introduction Installation Using SQL to Query Your Database Oracle SQL Developer. Oracle Database 11 g : Focus Areas. Infrastructure Grids. Information Management. Application Development. Oracle Database 11 g .

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Lecture 1:

Oracle 11g Introduction & Installation


  • Introduction

  • Installation

  • Using SQL to Query Your Database

  • Oracle SQL Developer

Oracle database 11 g focus areas
Oracle Database 11g: Focus Areas







Oracle database 11 g
Oracle Database 11g


High availability



Information integration

Data storage on different media
Data Storage on Different Media

Electronic spreadsheet

Filing cabinet


Relational database concept
Relational Database Concept

  • Dr. E. F. Codd proposed the relational model for database systems in 1970.

  • It is the basis for the relational database management system (RDBMS).

  • The relational model consists of the following:

    • Collection of objects or relations

    • Set of operators to act on the relations

    • Data integrity for accuracy and consistency

Definition of a relational database
Definition of a Relational Database

  • A relational database is a collection of relations or two-dimensional tables.


Table name: EMPLOYEES


  • Introduction

  • Installation

  • Using SQL to Query Your Database

  • Oracle SQL Developer

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  • Introduction

  • Installation

  • Using SQL to Query Your Database

  • Oracle SQL Developer

Using sql to query your database
Using SQL to Query Your Database

  • Structured query language (SQL) is:

    • The ANSI standard language for operating relational databases

    • Efficient, easy to learn, and use

    • Functionally complete (With SQL, you can define, retrieve, and manipulate data in the tables.)

SELECT department_name

FROM departments;

Development environments for sql
Development Environments for SQL

  • Primarily use Oracle SQL Developer, Release 1.2


  • Introduction

  • Installation

  • Using SQL to Query Your Database

  • Oracle SQL Developer

What is oracle sql developer
What Is Oracle SQL Developer?

  • Oracle SQL Developer is a graphical tool that enhances productivity and simplifies database development tasks.

  • You can connect to any target Oracle database schema by using the standard Oracle database authentication.

Specifications of oracle sql developer
Specifications of Oracle SQL Developer

  • Developed in Java

  • Supports Windows, Linux, and Mac OS X platforms

  • Default connectivity by using the JDBC Thin driver

  • Does not require an installer

    • Unzip the downloaded Oracle SQL Developer kit and double-click sqldeveloper.exe to start Oracle SQL Developer.

  • Connects to any Oracle Database, version and later

  • Freely downloadable from the following link:


  • Needs JDK 1.5 installed on your system, which can be downloaded from the following link:


Creating a database connection
Creating a Database Connection

  • You must have at least one database connection to use Oracle SQL Developer.

  • You can create and test connections for:

    • Multiple databases

    • Multiple schemas

  • Oracle SQL Developer automatically imports any connections defined in the tnsnames.ora file on your system.

  • You can export connections to an XML file.

  • Each additional database connection created is listed in the Connections Navigator hierarchy.

Browsing database objects
Browsing Database Objects

  • Use the Connections Navigator to:

    • Browse through many objects in a database schema

    • Review the definitions of objects at a glance

Using the sql worksheet
Using the SQL Worksheet

  • Use the SQL Worksheet to enter and execute SQL, PL/SQL.

  • Specify any actions that can be processed by the database connection associated with the Worksheet.

Enter SQL Statements.

Results are shown here.

Executing sql statements
Executing SQL Statements

  • Use the Enter SQL Statement box to enter single or multiple SQL statements.

Formatting the sql code
Formatting the SQL Code