Oracle Online Training

Our Oracle Online Training has been created and developed in accordance with the advice of leading professionals in the field who have been in the workforce for more than ten years, have won widespread recognition for their work, and have a solid foundation in the use and application of Oracle Corporation's tools and services. To assist professionals—current and aspiring—learn Oracle online with full-time virtual access from the greatest trainers and mentors in the field, Needintech Oracle Classes Online Training in Chennai was established.

Oracle Online Course Description

The Oracle Online Course from Needintech is a comprehensive programme designed to train seasoned experts as well as up-and-coming professionals in the use of the many tools and services offered by the Oracle Corporation, including its cloud services, database services, and other products.

Mock Interviews

Needintech's mock interviews provide a platform for you to prepare for, practise for, and experience a real-life job interview. You will have an advantage over your colleagues if you familiarise yourself with the interview environment beforehand in a comfortable and stress-free environment.

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Course Objetives

Oracle Corporation is currently a leader in the development of hardware and software tools, services, and solutions for a variety of markets and industries, including hospitality, high-end technology, healthcare, consumer relations, food, travel, and others. Our Oracle Online Course gives you the business acumen, technical know-how, and managerial vision needed to provide the services and solutions your career demands. You can apply for any of these many technical sectors with an Oracle certification, giving you a competitive advantage over others and better pay.

  • Yes. If you want to pursue a career in database administration, it will be worthwhile for you to invest your time and money. Oracle is something you may include in your resume if you want, and it will undoubtedly help you in many ways. The main advantages of studying Oracle database are its advanced RDBMS capabilities.
  • Oracle is the preferred database management and security solution for the world’s most successful organisations and enterprises. Although Oracle is notoriously expensive, it is unquestionably one of the top DBMS products in terms of efficient database administration and application.
  • When you enrol in the course, you gain access to all of the courses in the Specialization, and when you complete the work, you will receive a certificate. Your electronic Certificate will be added to your Accomplishments page, where you will be able to print it or add it to your LinkedIn profile. You can audit the course for free if you only want to read and view the course content.
  • Oracle, like SQL Server and other relational database systems, is fundamentally similar. It’s relatively simple to learn if you’re familiar with Linux and SQL. If you’ve already learnt SQL Server, you can learn Oracle databases.
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Syllabus of oracle Online Course

Module 1: Introduction to DBMS


  • Approach to Data Management
  • Introduction to prerequisites
  • File and Filesystem
  • Disadvantages of file
  • Review of Database Management Terminology
  • Database Models
  • Hierarchal Model
  • Network Model
  • Relational Model 



Module 2: Introduction to RDBMS

  • Feature of RDBMS
  • Advantages of RDBMS over FMS ad DBMS
  • The 12 rules (E.F Codd’s Rules –RDBMS)
  • Need for Database Design
  • Support of Normalization Process for Data Management
  • Client-Server Technology
  • Oracle Corporation Products
  • Oracle Versions
  • About SQL&SQL*PLUS


Module 3: Sub Language Commands

  • Data Definition Language  (DDL)
  • Data Retrieval Language (DRL)
  • Data Manipulation Language (DML)
  • Transaction Control Language (TCL)
  • Database Security and Privileges (DCL) 


Module 4: Introduction to SQL Database Object

  • Oracle Pre Defined Datatypes
  • DDL Commands
  • Create, Alter (add, modify, rename, drop)Columns, Rename, truncate, drop
  • DML-Insert, update, delete
  • DQL-SELECT Statements using WHEREclause
  • Comparison and Conditional Operators
  • Arithmetic and Logical Operators
  • Working with DML, DRL Commands
  • Operators Support 


Module 5: Built-in Functions

  • Arithmetic Functions, Character Functions, Date Functions, Conversion Functions
  • Aggregate Functions, OLAP Functions & General Functions 


Module 6: Grouping the Result of a Query

  • Using Group by and Having Clause of DRL Statement
  • Using Order by clause 


Module 7: Working with Integrity Constraints

  • Importance of Data Integrity
  • Support of Integrity Constraints for Relating Table in RDBMS
  • NOT NULL constraint
  • UNIQUE constraint
  • PRIMARY KEY constraint
  • FOREIGN KEY constraint
  • CHECK constraint
  • Working with different types of Integrity Constraints 


Module 8: REF constraint

  • Understanding ON DELETE clause in referential integrity constraint
  • Working with a composite constraint
  • Applying DEFAULT option to columns
  • Working with multiple constraints upon a column
  • Adding constraints to a table
  • Dropping of constraints
  • Enabling / Disable constraints
  • Querying for constraints information 


Module 9: Querying Multiple Tables (Joins)

  • Equi Join/Inner Join/Simple Join
  • Cartesian Join
  • Non-Equi Join
  • Outer Joins
  • Self Join


Module 10: Working with Sub Queries

  • Understanding the practical approach to Sub Queries/Nested Select/Sub Select/Inner Select/Outer Select
  • What is the purpose of a Sub Query?
  • Sub Query Principle and Usage
  • Type of Sub Queries
  • Single Row
  • Multiple Row
  • Multiple Column
  • Applying Group Functions in Sub Queries
  • The impact of Having Clause in Sub Queries
  • IN, ANY/SOME, ALL Operators in Sub Queries
  • PAIRWISE and NON PAIRWISE Comparison in Sub Queries
  • Be … Aware of NULL’s
  • Correlated Sub Queries
  • Handling Data Retrieval with EXISTS and NOT EXISTS Operators 


Module 11: Working with DCL, TCL Commands

  • Grant, Revoke
  • Commit, Rollback, Savepoint
  • SQL Editor Commands
  • SQL Environment settings 

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