This comprehensive course delivers practical techniques to transform messy data into clean, well-structured, and high-performance SQL solutions. You'll begin with essential data cleaning methods to handle inconsistencies and errors, then progress to organizing data through effective schema design and CRUD operations. The course culminates with powerful optimization strategies—including AI-assisted approaches—that dramatically improve query performance. Through hands-on labs, interactive discussions, and real-world challenges, you'll develop the skills to create SQL environments that are clean, well-organized, and lightning-fast.

Ends in 4 days. Heat up your career with courses from Google, IBM, and more for £190/year. Save now.


Skills you'll gain
- Development Environment
- Stored Procedure
- Git (Version Control System)
- Database Management
- SQL
- Database Development
- Data Manipulation
- Software Versioning
- Data Transformation
- Data Integrity
- Data Quality
- Relational Databases
- Data Processing
- Data Cleansing
- Database Design
- Prompt Engineering
- Query Languages
- Performance Tuning
Details to know

Add to your LinkedIn profile
July 2025
3 assignments
See how employees at top companies are mastering in-demand skills

There are 2 modules in this course
This module focuses on essential data quality and manipulation techniques that form the foundation of reliable data analysis. Through hands-on labs tackling real-world data cleaning challenges, you'll master methods for identifying and correcting common data quality issues. The module then advances to comprehensive CRUD operations, equipping you with the skills to create, read, update, and delete data while maintaining integrity. Interactive dialogues throughout the module reinforce best practices for both cleaning and manipulation processes in professional database environments.
What's included
2 readings1 assignment2 ungraded labs2 plugins
This module focuses on building and managing efficient database structures to support your SQL operations. Beginning with fundamental schema design principles, you'll progress through hands-on labs where you'll create optimized database structures, including leveraging AI-powered techniques for enhanced performance. The module expands to cover practical data integration through import/export operations and culminates in applying your skills to create professional-quality database tables from scratch, solidifying your ability to design and implement efficient data storage solutions.
What's included
3 readings2 assignments4 ungraded labs1 plugin
Earn a career certificate
Add this credential to your LinkedIn profile, resume, or CV. Share it on social media and in your performance review.
Instructor

Offered by
Explore more from Data Analysis
- Status: Free Trial
Fractal Analytics
- Status: Free Trial
- Status: Free Trial
Johns Hopkins University
Coursera Project Network
Why people choose Coursera for their career





Open new doors with Coursera Plus
Unlimited access to 10,000+ world-class courses, hands-on projects, and job-ready certificate programs - all included in your subscription
Advance your career with an online degree
Earn a degree from world-class universities - 100% online
Join over 3,400 global companies that choose Coursera for Business
Upskill your employees to excel in the digital economy
Frequently asked questions
Access to lectures and assignments depends on your type of enrollment. If you take a course in audit mode, you will be able to see most course materials for free. To access graded assignments and to earn a Certificate, you will need to purchase the Certificate experience, during or after your audit. If you don't see the audit option:
The course may not offer an audit option. You can try a Free Trial instead, or apply for Financial Aid.
The course may offer 'Full Course, No Certificate' instead. This option lets you see all course materials, submit required assessments, and get a final grade. This also means that you will not be able to purchase a Certificate experience.
When you purchase a Certificate you get access to all course materials, including graded assignments. Upon completing the course, your electronic Certificate will be added to your Accomplishments page - from there, you can print your Certificate or add it to your LinkedIn profile. If you only want to read and view the course content, you can audit the course for free.
You will be eligible for a full refund until two weeks after your payment date, or (for courses that have just launched) until two weeks after the first session of the course begins, whichever is later. You cannot receive a refund once you’ve earned a Course Certificate, even if you complete the course within the two-week refund period. See our full refund policy.
More questions
Financial aid available,