Query Course
Query Course Mastery provides comprehensive SQL training for tech environments using an online learning platform example. Participants learn to design schemas, perform safe data updates, generate insightful reports, and optimize performance with indexes, ensuring precise analytics and dependable operations in production settings.

from 4 to 360h flexible workload
valid certificate in your country
What will I learn?
This course equips you with skills to create strong database schemas, craft accurate SQL statements, and develop dependable reports for practical learning systems. You will gain expertise in joins, aggregations, window functions, subqueries, and date filtering, while learning to boost efficiency through indexing, EXPLAIN plans, and materialized views. It also addresses secure updates, deletions, transactions, and polished SQL outputs ready for review in data-heavy environments.
Elevify advantages
Develop skills
- Secure SQL updates and deletes to safeguard live data.
- Craft reporting queries for product leaderboards, revenue, and usage analytics.
- Design relational schemas for users, courses, payments, and progress tracking.
- Tune SQL performance using indexes and efficient query patterns.
- Produce professional SQL deliverables including DDL, sample data, and reviewable queries.
Suggested summary
Before starting, you can change the chapters and the 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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