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Oracle SQL Fundamentals

Build foundational SQL and database skills using Oracle through beginner-friendly lessons and hands-on practice with queries, tables, and data management concepts.

Target Audience

  • Beginners learning SQL and database fundamentals

  • Students exploring careers in data, analytics, or software development

  • Job seekers preparing for entry-level data or IT roles

  • Business professionals using SQL for reporting and data analysis

  • Junior developers or testers needing foundational SQL skills

Oracle SQL Basics Overview

Oracle SQL Fundamentals is a free, beginner-friendly course designed to build foundational SQL and database skills using Oracle. Through structured lessons and hands-on practice, learners gain practical experience in querying data, working with relational databases, and understanding how data is stored and managed.

  • Understand relational databases and core SQL concepts

  • Write SQL queries to retrieve, filter, sort, and summarize data

  • Work with multiple tables using joins and set operators

  • Use SQL functions and subqueries to analyze and manipulate data

  • Build a strong foundation for data, analytics, and database career paths

Prerequisite

No prior SQL or programming experience required.

Learners only need: 

  • Basic computer and keyboard skills

  • Access to a computer or laptop

  • Basic English reading and typing skills

  • Interest in learning databases and SQL

Recommended: Learners new to computers may benefit from completing Computer Fundamentals for Beginners first.

Outcomes

By the end of this course, you will be able to:

  • Understand relational database concepts and SQL fundamentals

  • Write SQL queries to retrieve, filter, sort, and summarize data

  • Work with multiple tables using joins and set operators

  • Use SQL functions and subqueries to analyze and manipulate data

  • Create and manage basic database objects using SQL commands

  • Build a strong foundation for advanced SQL, analytics, and database training

Job Roles & Careers

Foundational SQL and database skills are valuable across data, reporting, and IT support environments. This course helps build a strong starting point for roles such as:

  • Data Analyst

  • Database Support Technician

  • Reporting Support Analyst

  • QA Tester / QA Analyst

  • IT Support Specialist

  • Technical Support Analyst

Curriculum

  • What is a database and why SQL is used

  • Understanding relational database models

  • Tables, rows, columns, and data types

  • Primary keys, foreign keys, and relationships

  • Basic SELECT syntax

  • Selecting specific columns

  • Using aliases

  • Understanding Oracle’s data dictionary views

  • Filtering data using WHERE

  • Comparison, logical, and range operators

  • Sorting data using ORDER BY

  • Handling NULL values

  • Using SUM, AVG, MAX, MIN, COUNT

  • Grouping data with GROUP BY

  • Filtering groups with HAVING

  • Practical use cases for summary reporting

  • Understanding joins and relationships

  • INNER JOIN, LEFT JOIN, RIGHT JOIN

  • Using Oracle’s join syntax

  • Joining more than two tables

  • UNION vs. UNION ALL

  • INTERSECT

  • MINUS

  • Rules and restrictions when using set operators

  • What is a subquery?

  • Single-row and multi-row subqueries

  • Nested subqueries

  • Using subqueries in WHERE and FROM

  • Character functions

  • Number functions

  • Date functions

  • Conversion functions

  • General functions (NVL, COALESCE, etc.)

  • Creating tables (CREATE TABLE)

  • Modifying tables (ALTER TABLE)

  • Deleting tables (DROP TABLE)

  • Understanding constraints (NOT NULL, UNIQUE, CHECK, PRIMARY KEY, FOREIGN KEY)

  • Views: creating and using virtual tables

  • Sequences: generating values

  • Indexes: improving query performance

  • Synonyms: simplifying object access

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Free   

  • Self-Paced • Online • Flexible

  • On-Demand Access

  • Beginner Level

  • Practical Learning

  • Instructor-Led Training Available (Contact Us)

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Why This Course Is in Demand

SQL is one of the most widely used skills across data, analytics, reporting, and software applications. Organizations rely on SQL to store, retrieve, and analyze data, making foundational SQL knowledge valuable across many technical and business roles.

This course builds practical database and SQL skills while preparing learners for future training in analytics, reporting, and advanced database technologies.

Frequently Asked Questions (FAQs)

This course is ideal for beginners who want to learn SQL and understand how relational databases work. It is perfect for students, job seekers, business professionals, career changers, and anyone exploring careers in data or IT.

No. This course is designed for complete beginners. You don’t need any programming or technical background. 

Yes. This is a completely free course with no hidden fees. You can enroll instantly and start learning right away.

Click the “Start Learning Today” button on the course page. Registration is automatic—no approval needed.

No. The course can be followed using online environments such as Oracle LiveSQL, which requires no installation. Instructions will be provided. 

You’ll learn SQL fundamentals including SELECT queries, filtering and sorting data, joins, set operators, subqueries, SQL functions, table creation, and schema objects. 

The course typically takes 2–3 hours to complete, depending on your pace. 

This free beginner-level course may not include a certificate. Certificates are usually offered in full-length paid Oracle SQL programs. 

By the end of this course, you will be able to:

  • Understand fundamental RDBMS concepts, including tables, relationships, and key constraints

  • Write basic SQL queries to retrieve data using the SELECT statement

  • Filter, sort, and restrict data using WHERE, ORDER BY, and logical operators

  • Summarize data using aggregate functions such as SUM, AVG, COUNT, MIN, and MAX

  • Work with multiple tables using joins to combine related data

  • Use set operators (UNION, INTERSECT, MINUS) to merge query results

  • Write subqueries to retrieve data based on conditions and nested logic

  • Apply SQL functions to format, convert, and manipulate data

  • Create and manage tables using DDL commands like CREATE, ALTER, and DROP

  • Understand and use schema objects, including views, sequences, indexes, and synonyms

  • Build a strong foundation for advanced SQL and Oracle database courses

Absolutely. SQL is one of the most essential skills in data analytics, reporting, QA, software development, and IT support roles. This course provides a strong foundation to build on.

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Resources

Recommended Books:

Oracle SQL Foundations

By Chandraish Sinha

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