Browse by topic
Click a tile for a quick look at every guide inside7 topics · 175 in-depth guides, updated for 2026.
Modeling 20 guides
Data Modeling
ER design, star schemas, NoSQL patterns, data mesh, governance, and cloud warehouse modeling.
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Transformation 60 guides
dbt (Data Build Tool)
Analytics engineering workflows, transformations, testing, and documentation.
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Orchestration 18 guides
Apache Airflow
Workflow orchestration — DAGs, operators, scheduling, sensors, executors, and deployment.
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Warehouse 43 guides
Snowflake
Cloud data warehousing, virtual warehouses, cost control, and performance tuning.
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Analytics 9 guides
DuckDB
The in-process analytical database — SQL fundamentals, file/Python integration, and performance tuning.
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Security 11 guides
Data Security
RBAC, data masking, encryption, governance, and compliance frameworks.
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Interviews 14 guides
Situation & Behavioral
STAR-format frameworks and practice answers for senior data engineering interviews.
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