TechBuilt Open SchoolInternational Online Academy
Specialization

Database Developer

Design, query, optimize, and administer relational and document database architectures.

Intermediate
5 months

About this track

Data is the foundation of modern technology. This specialization trains developers in professional data architecture. You will master Entity-Relationship modeling, advanced SQL queries, relational database management with MySQL and PostgreSQL, performance tuning with indexes, transactions and concurrency, stored views, NoSQL document modeling with MongoDB, and integrating databases with application code.

Learning modules

  1. 1Database fundamentals: File systems vs. DBMS, relational theory & ACID
  2. 2Entity-Relationship Modeling (ERD), entities, cardinalities & domain rules
  3. 3Normalization theory: 1NF, 2NF, 3NF & eliminating data anomalies
  4. 4Advanced SQL: Multi-table JOINs, subqueries, CTEs & window functions
  5. 5PostgreSQL administration, advanced data types (JSONB) & query plans (EXPLAIN)
  6. 6MySQL administration, table engines (InnoDB), constraints & user security
  7. 7Database indexing: B-Tree, GIN, composite indexes & query optimization
  8. 8Transactions, isolation levels, locking mechanisms & data integrity
  9. 9NoSQL document architecture with MongoDB: Collections, CRUD & Aggregations
  10. 10Backup strategies, disaster recovery concepts & application connection pooling
  11. 11Capstone: Enterprise-grade database architecture, schemas & migration scripts

Outcomes

  • Design normalized, high-performance relational database schemas
  • Write complex, optimized SQL queries and analyze execution plans
  • Administer and configure MySQL and PostgreSQL production instances
  • Model and query semi-structured data with MongoDB and PostgreSQL JSONB
  • Ensure transactional data integrity and implement robust indexing strategies

Indicative Career Directions & Pathways

These represent real-world industry pathways aligned with this curriculum. Outcomes depend on individual dedication, hands-on practice, and portfolio building (no guaranteed job placement).

Database DeveloperSQL DeveloperDatabase Administrator (Junior)Data Engineer (Junior)

Design, query, optimize, and administer relational and document database architectures.

Join Database Developer

  • 5 months
  • Intermediate
  • Live Online Classes
  • One-to-one or cohort batches
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