How GitHub Actions workflows, jobs, and runners work, how teams use them for tests, CI/CD, and security checks, and how to apply them to ETL pipelines.
What dbt macros are and how they cut repeated SQL: defining them, calling them in models, generating SQL with variables, and keeping them maintainable.
What's Going on in the Data Lakehouse Space
A practical PyArrow guide: core objects like Tables and RecordBatches, reading and writing Parquet, running computations, and using Arrow Flight.
