The Complete Oracle SQL Bootcamp (2026)

Welcome to the MOST COMPREHENSIVE Oracle SQL Bootcamp Course on the planet!

Latest Course Updates:

• (Dec 2025) : Installing Oracle Database 23 AI section was added! (Brand New)

• (Nov 2025) : Brand New Content (Managing Oracle Privileges and Roles) was added!

• (Sep 2025)  : Brand New Content (Using Oracle FLASHBACK Technologies) was updated!

• (Feb 2025) : 3-Real SQL(Over 225+ High-Quality Questions) Certification Exam Samples are added!

• (Dec 2024)  : More Quiz Questions were added!

Important Notice: This course will be continuously getting updated with more lectures, quizzes, and assessments to enhance your knowledge of Oracle SQL.

Are you a student ready to learn SQL for your lessons?

Do you want to get a better job?

Are you bored with watching a lot of stuff, but could not learn anything?

Do you think you know SQL, but you cannot write SQL codes?

Are you looking for a really professional course?

Then this is the course you are looking for.

You are in the right place!

In this course, all the subjects are explained in professional order.

 If you are new to SQL, no problem! You can easily learn all the details of SQL. If you already know SQL and want to improve, this course explains all the details including all of the subjects.

 After completing this course, you will learn all that you need to know. If you don't see something in this course, it means you really don't need to know it for now.

 Coding can be learned with coding. A course that has no example is not a course at all. And there are hundreds and hundreds of codes in this course.

 So come on, what are you waiting for?

 Get this course, and get a better job!

Topics covered in the Complete Oracle SQL Bootcamp 2025 Course:

• Database Concepts & Terminologies

  • What is a Database?

  • What is the Oracle Database?

  • What is a pluggable database?

  • What is SQL?

  • What is a database table?

  • What is a Relational-Database Management System (RDBMS)?

  • What is the Entity-Relationship model in SQL?

  • What is a database schema? 

  • Installing Oracle Sample Schemas (HR, SH, OE, IX, etc.)

  • Introduction to Database Objects

• Downloading and Installing the Oracle Database (Version 12c, 18c, 19c, 21c, 23ai, etc.)

  • Downloading the Oracle Database Installation File

  • Installing Oracle Database on Your Local Computer

• Working with a Database via a Virtual Machine

  • Downloading and Installing a Virtualization Software (VirtualBox, VMWare)

  • Downloading Pre-built Virtual Machine Image

  • Importing a Virtual Machine into Virtualization Software

  • Configuring, Using, and Working with Virtual Machines through Virtualization Software

• Downloading, Installing, Configuring, and Using the Oracle SQL Developer Software

• Connecting to the Oracle Database Using SQL Developer and SQL Plus

  • Configuring SQL Developer for the first use

  • Configuring Network Connections to work with Oracle Sample Schemas

• Working with Oracle Live SQL

  • Introduction to Oracle Live SQL Platform

  • How to use Oracle Live SQL

• Retrieving Data from the Database Using SELECT Statements

  • What is NULL?

  • SELECT Statements

  • Using Column Aliases in SQL

  • DISTINCT and UNIQUE Operators in SQL

  • Concatenation Operators in SQL

  • The Quote (q) Operator in SQL

• Filtering & Restricting Data returned by SQL Queries using the WHERE Clause

  • Using the WHERE Clause in SQL

  • Using Oracle Comparison Operators in SQL

  • BETWEEN AND Operator in SQL

  • IN Operator in SQL

  • LIKE Operator in SQL

  • IS NULL Operator in SQL 

  • Logical Operators in SQL:

    • AND Logical Operator

    • OR Logical Operator

    • NOT Logical Operator

  • Oracle Rules of Precedence in SQL

• Sorting Data using the ORDER BY Clause

  • Using the ORDER BY Clause

  • Using the ASC and DESC Operators

  • Using the NULLS FIRST and NULLS LAST Operators

  • Using the FETCH Clause

• Using Oracle Substitution Variables

  • What are Substitution Variables? 

  • Double Ampersand (&&) and DEFINE & UNDEFINE Commands

  • ACCEPT and PROMPT Commands

  • SET VERIFY ON / SET VERIFY OFF Commands

• Using Oracle Single-Row Functions to Customize the Query Outputs

  • Introduction to Oracle Single-Row Functions

  • Character Functions

    • Case Conversion Functions

      • UPPER Function

      • LOWER Function

      • INITCAP Function

    • Character Manipulation Functions

      • SUBSTR Function in SQL 

      • LENGTH Function in SQL 

      • CONCAT Function in SQL 

      • INSTR Function in SQL 

      • TRIM Function in SQL 

      • LTRIM and RTRIM Functions in SQL 

      • REPLACE Function in SQL 

      • LPAD and RPAD Functions in SQL 

    • Numeric Functions

      • ROUND Function in SQL

      • TRUNC Function in SQL 

      • CEIL Function in SQL 

      • FLOOR Function in SQL 

      • MOD Function in SQL

    • Nested SQL Group Functions

    • Date Data Types and SQL Date Functions

      • Date Data Types

        • DATE Data Type in SQL

        • TIMESTAMP Data Type in SQL 

        • TIMESTAMP WITH TIME ZONE Data Type in SQL 

        • TIMESTAMP WITH LOCAL TIME ZONE Data Type in SQL

      • Oracle Date Functions

        • SYSDATE Function in SQL

        • CURRENT_DATE Function in SQL

        • SESSIONTIMEZONE Function in SQL

        • SYSTIMESTAMP Function in SQL

        • CURRENT_TIMESTAMP Function in SQL

      • Date Manipulation Functions

        • ADD_MONTHS Function

        • MONTHS_BETWEEN Function

        • ROUND Function

        • TRUNC Function

        • EXTRACT Function

        • NEXT_DAY Function

        • LAST_DAY Function

• Oracle Conversion Functions

  • TO_CHAR Function in SQL

  • TO_NUMBER Function in SQL

  • TO_DATE Function in SQL

  • Null Related Functions in SQL

    • NVL Function

    • NVL2 Function

    • NULLIF Function

    • COALESCE Function

• Conditional Expressions in SQL

  • CASE Expressions in SQL

  • DECODE Function in SQL

• Reporting Aggregated Data Using the Group Functions

  • Introduction to Oracle Group Functions

  • AVG Function in SQL

  • COUNT Function in SQL

  • MAX Function in SQL

  • MIN Function in SQL

  • LISTAGG Function in SQL

  • Overview of Group Functions in SQL

• Displaying Data from Multiple Tables Using Joins

  • What is a SQL Join?

  • Join Types in Oracle SQL

  • How to Create a Join in SQL

  • Natural Join

  • Join with the USING Clause

  • Handling Ambiguous Column Names While Joining Multiple Tables

  • Inner Join (Join with the ON Clause)

  • Multiple Join Operations

  • Restricting Joins

  • Self-Join

  • Non-Equijoins (Joining Unequal Tables)

  • Outer Joins in SQL

    • LEFT OUTER JOIN (LEFT JOIN)

    • RIGHT OUTER JOIN (RIGHT JOIN)

    • FULL OUTER JOIN (FULL JOIN)

  • Cross Join (Cartesian Product or Cross Product)

  • Oracle's Old Style Join Syntax (Comparison of ANSI vs. Non-ANSI SQL Join Syntaxes)

• Using & Building & Analyzing Subqueries

  • What is a Subquery in SQL?

  • How to Use Subqueries in SQL?

  • Subquery Types in SQL:

    • Single-Row Subqueries in SQL

    • Multiple-Row Subqueries in SQL

    • Multiple-Column Subqueries in SQL

    • SCALAR Subqueries in SQL

    • Correlated Subqueries in SQL

  • Using Subqueries as a Table

  • Using the EXISTS Operator (Semijoins in SQL)

  • Using the NOT EXISTS Operator

• Working with Oracle SET Operators

  • What are SET Operators and Why are They Used?

  • UNION Operator

  • UNION ALL Operator

  • MINUS Operator

  • INTERSECT Operator

  • Combining Multiple Queries Using Multiple SET Operators in Complex SQL Queries

• Using Data Manipulation Language (DML) Statements

  • INSERT Statement

  • UPDATE Statement

  • DELETE Statement

  • MERGE Statement

  • Multiple INSERT Statements

  • Unconditional INSERT (INSERT ALL) Statements

  • Conditional INSERT ALL Statements

  • Conditional INSERT FIRST Statements

  • Pivot Insert in SQL

• Using Transaction Control Language (TCL) Statements

  • What is a transaction in SQL?

  • TCL Commands

  • COMMIT and ROLLBACK Statements in SQL

  • Row Locking Mechanism in SQL

  • SAVEPOINT Statement in SQL

  • FOR UPDATE Statement in SQL

• Using Data Definition Language (DDL) Statements

  • What are Data Definition Language Statements

  • Naming Rules & Naming Conventions in Oracle

  • Creating Tables using the CREATE TABLE statements

  • CREATE TABLE AS SELECT (CTAS) Statement in Oracle

  • ALTER TABLE Statement

  • Marking Columns Unused (Using The SET UNUSED Clause)

  • READ-ONLY Tables in SQL

  • DROP TABLE Statement

  • TRUNCATE TABLE Statement

  • COMMENT Statement

  • RENAME Statement

• Creating, Using, Working, and Managing Constraints

  • What is a Constraint in SQL?

  • Oracle Constraint Types

  • NOT NULL Constraint

  • UNIQUE Constraint

  • PRIMARY KEY Constraint

  • FOREIGN KEY Constraint

  • The ON DELETE CASCADE Clause

  • The ON DELETE SET NULL Clause

  • CHECK Constraint

  • Adding Constraints via ALTER TABLE Statements

  • Dropping (Removing) Constraints

  • Cascading Constraints in Oracle

  • Renaming Constraints

  • Enabling / Disabling Constraints

  • Status of Constraints

  • Deferring (Deferrable) Constraints

• Creating, Using, and Managing Database Views in Detail

  • What is a Database View and What is it Used for?

  • View Types in Oracle

  • Creating Simple Views

  • Creating Complex Views

  • Modifying Views

  • Performing DML Operations with Views

  • Using the WITH CHECK OPTION Clause in SQL

  • Using the WITH READ ONLY Clause on Views

• Managing Objects Using Oracle Data Dictionary Views

  • What are Data Dictionary views in Oracle?

  • The DICTIONARY View (The Main Dictionary)

  • USER, ALL, DBA, and V$ Prefixes in Data Dictionary Views

  • USER_OBJECTS, ALL_OBJECTS, and DBA_OBJECTS Views

  • USER_TABLES, ALL_TABLES, and DBA_TABLES Data Dictionary Views

  • USER_TAB_COLUMNS Data Dictionary View

  • USER_CONSTRAINTS Data Dictionary View

  • USER_CONS_COLUMNS Data Dictionary View

  • USER_VIEWS Data Dictionary View

  • USER_TAB_COMMENTS and USER_COL_COMMENTS Data Dictionary Views

• Creating and Using, Working with Sequences in SQL

  • What is a Sequence?

  • Creating Sequences

  • Modifying Sequences

  • Using Sequences

  • Using Sequences as Default Values

  • Sequence Caching

  • The USER_SEQUENCES View

  • Using the IDENTITY Column in Oracle

• Creating and Using Synonyms

  • What is a Synonym in SQL

  • Creating, Using, and Dropping Synonyms

  • Analyzing The USER_SYNONYMS View

• Working with Indexes in SQL

  • What is an Index in SQL

  • Index Types in SQL

  • How to Create Indexes in SQL

  • How to Create Indexes While Table Creation

  • How to Remove (Drop) Indexes

  • Function-Based Indexes

  • Multiple Indexes on the Same Columns & Invisible Indexes

  • Analyzing the USER_INDEXES and USER_IND_COLUMNS Views

  • How to Modify (Alter) Indexes

• Managing Oracle Privileges, Roles, and Schema Objects

  • What are Privileges in SQL

  • How to Create a User in Oracle Database

  • Changing Database Users' Passwords in Oracle Database

  • Granting System Privileges

  • Roles and PUBLIC in Oracle Database

  • Granting Object Privileges

  • Definer's Rights and Invoker's Rights

  • Revoking Privileges and Roles

  • Searching Privileges Using Data Dictionary Views

• Retrieving Data By Using Subqueries

• Manipulating Data By Using Subqueries

• Controlling User Access in Details

• Managing Data in Different Time Zones

BENEFITS OF TAKING THIS SQL COURSE:

Knowing SQL can get you a better job or improve the one you have, and it can earn you 250k+ (USD) per/year in the IT Industry. It's a skill that will put you more in demand in the biggest technology companies in the IT industry, and make your software life easier. This is why it's so popular and backed by Oracle.

This course will help you quickly get up to speed with Oracle SQL. I will demystify the query skill and help you understand the essential concepts of how to write SQL code easily and think analytically against any problem in your company.

STUDENT REVIEWS PROVE THIS COURSE'S WORTH: 

Those who have reviewed the course have pointed out that the instruction is clear and easy to follow, as well as thorough and highly informative. Other students enjoy the use of relevant examples throughout the course, as these make the content even easier to comprehend.

Many students had also taken other SQL courses in the past, only to find that this SQL course was their favorite. They enjoyed the structure of the content and the high-quality audio/video.

Check out all of the great reviews in the review section ... a lot of happy students :-)

IMPORTANT NOTE:

Knowing SQL is "mandatory" for any IT Professional and having good SQL knowledge will be a "GREAT PLUS" for you!

If you want to Become a Job-Ready SQL Professional who can pass any Oracle SQL Exam confidently, this course will be the next step for you!

So let’s do this!

I'll see you in the first lecture!