Course Description

Unlock the power of data with our Oracle SQL course — your gateway to mastering one of the most powerful database systems in the world. This course is designed to help learners build a strong foundation in structured query language (SQL) using Oracle Database, widely used in enterprise environments.

From writing simple queries to managing complex data operations, you’ll gain the skills needed to confidently interact with databases and support data-driven decision-making.

Why should I join ?

  • Joining an Oracle SQL course can be a game-changer if you want to work with data, land a tech job, or boost your current data.Query data from massive databases.Join tables, filter records, and aggregate data.Write subqueries, stored procedures, and functions.Work with views, indexes, and permission.These are core skills for working with real-world data. Oracle Database is a staple in industries that require reliability, speed, and security.
  • Understanding Oracle’s flavor of SQL can help you maintain and manage mission-critical systems.  Pairs well with Excel, Power BI, Python, and Tableau. A great foundation if you want to move into data science, big data, or cloud computing.

Course Content

1. Introduction to Databases and SQL
7 Topics
What is a Database?
Types of Databases (Relational, NoSQL)
Overview of DBMS (Database Management System)
Introduction to Oracle Database
SQL Overview
SQL Syntax
SQL Statements (DDL, DML, DCL, TCL)
2. Install tool Guideline
3. Basic Query
7 Topics
SELECT Syntax
Retrieving All Columns (SELECT *)
Retrieving Specific Columns
Distinct Keyword (SELECT DISTINCT)
WHERE Clause
ORDER BY Clause
Sorting Ascending and Descending
4. Aggregate Function
2 Topics
COUNT, SUM, AVG, MIN, MAX
GROUP BY Clause
5. Substring
5 Topics
Upper
Lower
Trim
Length
Sub string
6. Theory of ETL Testing
7. Numeric Function
4 Topics
Round ()
Floor()
Ceil()
SORT()
8. Set Operators
3 Topics
UNION, UNION ALL
INTERSECT
EXCEPT (MINUS in Oracle)
9. Constrains
2 Topics
NOT NULL, UNIQUE, PRIMARY KEY, FOREIGN KEY
CHECK Constraints
10. Analytics Function
2 Topics
ROW_NUMBER(), RANK(), DENSE_RANK(),
LEAD(), LAG()
11. Joins
5 Topics
Introduction to Joins
Inner Join
Left Join (Outer Join)
Right Join (Outer Join)
Cross Join
12. Subqueries
2 Topics
Correlated Subqueries
13. View
3 Topics
Creating and Dropping Views
Updatable vs Non-updatable Views
Complex Views with Joins and Aggregations
14. Index
4 Topics
What are Indexes?
Creating and Dropping Indexes
Types of Indexes (Unique, Composite, Bitmap, etc.)
Benefits and Drawbacks of Indexes
Includes
14 Lessons
46 Topics