The Oracle SQL 21c Specialization equips learners with practical skills to design, query, and manage relational databases using Oracle SQL Developer. Through case-study-driven courses, participants will progress from foundational database creation to advanced SQL functions, joins, and analytic queries. Learners will also gain hands-on experience with indexing, performance optimization, and real-world data analysis. By the end of this program, participants will have the confidence to transform raw data into actionable business insights—skills highly valued in data analysis, business intelligence, and application development roles.
Oracle SQL 21c: Database Design & Query Mastery Specialization
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Oracle SQL 21c: Database Design & Query Mastery Specialization
Master Oracle SQL 21c for Data Insights. Design databases, optimize queries, and analyze data with Oracle SQL 21c.
Instructor: EDUCBA
Included with 
Get in-depth knowledge of a subject
Beginner level
Recommended experience
1 month at 10 hours a week
Flexible schedule
Earn a career credential
Share your expertise with employers
Get in-depth knowledge of a subject
Beginner level
Recommended experience
1 month at 10 hours a week
Flexible schedule
Earn a career credential
Share your expertise with employers
What you'll learn
Design, manage, and query relational databases using Oracle SQL 21c and SQL Developer.
Apply advanced SQL techniques, including joins, analytic functions, and performance optimization.
Transform complex datasets into actionable insights for business and data-driven decision-making.
Overview
What’s included
Shareable certificate
Add to your LinkedIn profile
Taught in English
Recently updated!
September 2025
26 practice exercises
Advance your subject-matter expertise
- Learn in-demand skills from university and industry experts
- Master a subject or tool with hands-on projects
- Develop a deep understanding of key concepts
- Earn a career certificate from EDUCBA
Specialization - 3 course series
What you'll learn
Design relational databases, construct tables, and apply constraints in Oracle SQL.
Implement joins, subqueries, and aggregate functions for business insights.
Solve real-world challenges with hierarchical queries, pivots, and advanced filtering.
Skills you'll gain
Category: SQL
Category: Databases
Category: Data Transformation
Category: Data Structures
Category: Database Design
Category: Relational Databases
Category: Pivot Tables And Charts
Category: Oracle SQL Developer
Category: Query Languages
Category: Data Manipulation
What you'll learn
Apply analytic, conditional, and ranking functions to solve business problems.
Use CUBE, ROLLUP, and GROUPING SETS for multidimensional data analysis.
Design optimized queries with views, indexes, and NVL/CASE/DECODE functions.
Skills you'll gain
Category: Data Transformation
Category: SQL
Category: Data Manipulation
Category: Performance Tuning
Category: Oracle SQL Developer
Category: Analytics
Category: Oracle Databases
Category: Database Management
Category: Data Analysis
Category: Query Languages
What you'll learn
Install Oracle 21c, navigate SQL Developer, and execute core SQL queries.
Apply joins, subqueries, and functions to analyze and retrieve data.
Create, update, and manage database objects using DDL and DML statements.
Skills you'll gain
Category: Data Manipulation
Category: Databases
Earn a career certificate
Add this credential to your LinkedIn profile, resume, or CV. Share it on social media and in your performance review.
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Frequently asked questions
The Oracle SQL 21c Specialization can typically be completed in 7 to 8 weeks, with a recommended commitment of 3–4 hours per week. This flexible schedule allows learners to balance their studies with professional or personal commitments while still progressing steadily through the structured, case-study–driven curriculum. By dedicating consistent time each week, learners will not only build a strong foundation in Oracle SQL but also develop advanced database management and query optimization skills that are directly applicable to real-world business scenarios.
No prior SQL experience is required. A basic understanding of programming or databases is helpful but not mandatory. The courses are designed to guide both beginners and intermediate learners through progressively advanced topics.
Yes. The courses are structured to build on one another, beginning with foundational concepts in database creation and SQL queries, followed by advanced SQL functions, and culminating in Oracle SQL 21c mastery. Taking them in sequence ensures a smooth and effective learning progression.
More questions
Financial aid available,