Data Engineering
Kafka Fundamentals: Topics, Partitions, and Consumer Groups
How Apache Kafka works under the hood - what makes it different from a traditional message queue, and how producers, consumers, and partitions fit together.
Data Engineering
Data Pipelines: ETL, ELT, and When Each Makes Sense
The difference between ETL and ELT, how modern data pipelines are built, and how to choose the right approach based on your actual constraints.