Data & Statistics
Working with data — relational databases and the statistical reasoning behind analysis.
Topics
Business Intelligence & Analytics
Dashboards, semantic data layers, and self-service reporting for non-technical business users.
Covered under: Business Intelligence Developer
Data Architecture & Governance
The design layer above data engineering: modeling standards, governance, and organization-wide data structure.
Covered under: Data Architect
Data Engineering & Pipelines
Moving and shaping data reliably at scale: ETL/ELT, orchestration, warehousing, and data quality.
Covered under: Data Architect, Data Engineer
SQL & Databases
Query design, indexing, and the trade-offs behind relational data modeling.
Covered under: AI Engineer, Business Intelligence Developer, Cloud Architect, Cybersecurity Engineer, Data Architect, Data Engineer, Data Scientist, Software Engineer, Solutions Architect, Technical Product Manager
Statistics & Probability
The statistical reasoning behind experimentation and model evaluation.
Covered under: AI Engineer, Business Intelligence Developer, Data Scientist, Machine Learning Engineer