Overview

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Master Oracle SQL 21c and build the practical database skills needed to retrieve, analyze, and manage relational data with confidence. This course guides you through both foundational and advanced Oracle SQL 21c concepts, helping you develop the ability to write accurate queries, manipulate data, and maintain database structures using industry-standard SQL techniques. You will begin by installing Oracle 21c, navigating SQL Developer, and executing fundamental SQL statements. As you progress, you will learn to retrieve, filter, sort, and manipulate data using single-row and multiple-row functions. Building on these core skills, you will apply joins and subqueries to retrieve, compare, and analyze data across multiple tables while improving query effectiveness. The course also covers essential Data Manipulation Language (DML) and Data Definition Language (DDL) statements for updating, deleting, creating, and managing database tables. Designed for learners who want to develop practical Oracle SQL 21c database management skills, this course combines hands-on query development with real-world database operations. By the end of the course, you will be able to write SQL queries, analyze relational data, manage database objects, and confidently maintain Oracle SQL 21c databases using professional database management practices.

Syllabus

SQL Foundations and Data Retrieval

This module introduces learners to the essential foundations of Oracle SQL 21c, focusing on setting up the environment and mastering the basics of query execution. Learners will explore how to install and configure Oracle 21c, understand the SQL Developer interface, and execute fundamental SQL commands. They will also gain practical skills in retrieving, filtering, and sorting data efficiently. Finally, the module explores single-row and multiple-row functions, helping learners manipulate text, numbers, and dates in SQL queries. By the end of this module, learners will have a strong foundation to write accurate SQL statements and manage data effectively in Oracle SQL 21c.

Advanced Queries and Data Management

This module builds on SQL foundations by introducing advanced Oracle SQL 21c concepts for effective data manipulation and management. Learners will explore powerful techniques such as joins and subqueries to combine and filter information across multiple tables. The module also covers essential Data Manipulation Language (DML) operations like updating and deleting records, as well as Data Definition Language (DDL) commands for creating and managing tables. By the end of this module, learners will be equipped to write advanced SQL queries, maintain data integrity, and design database structures in Oracle SQL 21c for professional-level database management.