Structured paths to mastery
Each course is a curated sequence of lessons, exercises, and reference material designed to build real understanding — not just familiarity.
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SQL Foundations
Everything you need to write confident, correct SQL — from your first SELECT to subqueries and window functions.
Database Design Masterclass
ER modeling, normalization, schema mapping, and real-world design patterns for applications that scale.
Database Internals
How databases actually work: storage engines, buffer pools, query planners, indexes, and transaction machinery.
NoSQL in Practice
Document, key-value, column-family, and graph databases — hands-on with MongoDB, Redis, Cassandra, and Neo4j.
Distributed Systems for Data
Replication, sharding, consensus, distributed transactions, and the theory behind modern scalable databases.
Performance Tuning Workshop
Identify bottlenecks, optimize queries, tune indexes, and configure your database for production workloads.