IT Career Guides & Free Resources
Expert roadmaps, tutorials, salary guides and interview prep across Data Science, Generative AI, Python, Cloud & Analytics — written by GloryTecks trainers in Hyderabad.
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CDC (Change Data Capture) Explained with Examples
What change data capture is and how it works: the problems it solves that watermarks cannot, log-based capture in SQL Server and Debezium, a working trigger-based example on the real Chinook database that replicates an insert, six updates and a delete into a copy, safe replays after a crash, and pitfalls.
Airflow Tutorial: Orchestrating Data Pipelines
A practical introduction to Apache Airflow: what orchestration adds to a pipeline, the scheduler, DAG processor and metadata database, a complete three-task DAG written with the TaskFlow API and run on real taxi data with dag.test, how XComs, retries and logical dates work, an idempotent rerun, and design habits.