The whole catalog, ecosystem by ecosystem
Complete, self-paced guides ordered into ecosystems that run from fundamentals to production. Each ecosystem is built from what real job postings actually ask for.
- open courses
- 157open courses
- ecosystems
- 15ecosystems
- lessons
- 9,312lessons
SQL Databases Ecosystem
In order, from fundamentals to production. Start at 1.
9 courses
Data Modeling And Database Design
Learn to design the schema of a relational database.
Beginner64 lessonsAdvanced Sql Querying
Learn to query a relational database with real SQL.
Intermediate64 lessonsData Quality And Sql Testing
Learn to measure and guarantee data quality with SQL, and to test the SQL itself.
Beginner64 lessonsSql For Llms And Agents
Learn the engineering behind having an LLM or agent generate and execute SQL safely and reliably against your database.
Intermediate64 lessonsSQL Patterns for Production APIs Guide
Master the SQL patterns every production multi-tenant API needs.
Advanced64 lessonsDatabase Performance & Query Tuning Guide
Master PostgreSQL performance tuning for FastAPI.
Intermediate64 lessonsAdvanced PostgreSQL for Backend Guide
Master PostgreSQL's advanced features for production backend apps.
Advanced64 lessonsDatabase Migrations And Cicd
Learn to change a production database's schema and data without breaking it.
Advanced64 lessonsTechnical English and Employability
Learn to work and apply for jobs in English.
Advanced56 lessons