Data glossary

What is Directed Acyclic Graph (DAG)?

A DAG is a graph where information must travel along with a finite set of nodes connected by vertices. There is no particular start or node and als no way for data to travel through the graph in a loop that circles back to the starting point.

It's a popular way of building data pipelines in the data engineering community as it clearly defines the Data Lineage. As well, it's made for a functional approach where you have the idempotency to restart pipelines without side-effects

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