Comprehensive SQL Databases Course
This course equips you with advanced SQL skills for subscription-based systems. You will learn to create robust schemas, develop complex queries for key metrics such as MRR and ARR, optimise performance with indexes, manage data migrations, seed realistic test data, and maintain high-quality data for reliable invoicing, reporting, and analytics in production environments. Ideal for building scalable database solutions that support business operations and tech applications.
from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
Gain expertise in SQL for subscription data management through this practical course. Design strong database schemas, apply strict constraints, and craft reliable CREATE TABLE statements. Develop efficient queries for metrics like MRR, ARR, active subscriptions, overdue payments, and support data, while optimising indexes, handling migrations, creating test data, and ensuring data quality for dependable analytics and reports.
Elevify advantages
Develop skills
- Advanced SQL analytics for quick MRR, ARR, and aging reports.
- Production-ready schema design using clean 3NF for subscription data.
- Strong constraints and keys to enforce business rules with foreign keys, checks, and uniques.
- Optimised indexing strategies with composite and covering indexes for faster queries.
- Secure data seeding techniques for realistic test data using bulk inserts.
Suggested summary
Before starting, you can change the chapters and workload. Choose which chapter to start with. Add or remove chapters. Increase or decrease the course workload.What our students say
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