Oracle Tutorial

This tutorial is designed to guide you in learning oracle from scratch. Oracle is a relational database management system. It is also known as Oracle database or Oracle DB. As an enterprise grid computing, Oracle provides the most flexible and cost-effective solution for information and application management. It is one of the trusted and widely used relational database engine. It runs on all major platforms likes Windows, Linux, Unix, Mac OS, etc.

This tutorial is aiming to cover all the topics about oracle and its application with an example, for easy and fast understanding. You will also get to learn about performing various operations on Oracle DB using PLSQL.

Why Do We Need to Learn Oracle?

Oracle is in high demand in the corporate world by means of its wide range of features. It is used for all corporation level applications; especially plays a major role in dealing with a huge amount of data and information. Hence the demand for jobs for this platform is also booming. Having knowledge about oracle will help you to develop your application is an effective way.

Hence, if you are planning your career as a Database administrator or programmer which is high in demand nowadays in the IT industry, you must acquire knowledge about the Oracle database and its operations.

Applications of Oracle

Application Oracle database has been penetrated to all most all types of industries being an inevitable part of their applications. Its common usages are as follows:

Storing predefined datatypes
Supporting for standard query language(SQL)
Managing data and information
Storing massive data
Having provision for data security
Database recovery

Apart from these common usages, Oracle database is getting enriched with more and features with its new releases, such as support for application development, business intelligence, clustering, content management, grid computing, information integration, location services, enhancement in performance and scalability, server manageability, workspace management, etc.

Example

In Oracle ‘CREATE TABLE’ statement is used to create a new table in the database.

Syntax:

CREATE TABLE table_name ( Column1_name datatype [ NULL | NOT NULL ], Column2_name datatype [ NULL | NOT NULL ], / / / ColumnN_name datatype [ NULL | NOT NULL ] );

The below example is written to create an employee table with the columns EmployeeID, EmployeeName, and Employee_Email:

Pre-requisites

If you are from a computer science or engineering background, you can grab the knowledge fast. If you are from a different background, still don’t worry! Before starting with Oracle, invest some time to catch hold of concepts about how operating systems and Networking and database work. Learning about using the command-line interface will make your Oracle learning easy and faster.

Target Audience

This tutorial is designed for beginners as well as for professionals. If you are a beginner, you can start your learning from scratch. If you are professional and looking for additional information about oracle in-depth, you have reached the right place!