85 articles in Data Engineering & Analytics · Free
AUG
31
dbt (data build tool) explained — SQL-first transformation framework. Models, tests, snapshots, macros, Jinja templates. dbt Cloud vs dbt Core, certifications, and ELT workflows on Snowflake/BigQuery/Databricks.
AUG
31
Apache Airflow explained — workflow orchestration platform. DAGs, operators, tasks, scheduler, executors (Celery/K8s/CeleryExecutor). Use cases, integrations, and best practices.
AUG
31
Spark architecture explained — Driver, Executor, Cluster Manager (YARN/K8s/Standalone), DAG scheduler, Task scheduler, and how a Spark job executes end-to-end.
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