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Data Terminology

Cut through the jargon and learn about commonly used terms in the world of data and business intelligence.

A directed acyclic graph, or DAG, is a type of graph that consists of a set of nodes connected by d

ETL: Extract, Transform, LoadIn data engineering, the term ETL refers to the process of extracting d

The Modern Data Stack, also known as the DataOps stack, is a term used to refer to the collection of

Reverse ETL (Extract, Transform, Load) is the process of transferring data from a data warehouse or

Operational analytics is the use of data, analytics, and visualization techniques to support and imp

KPI (Key Performance Indicator) reporting is the process of tracking and reporting on key metrics t

Idempotency in the context of data engineeringIn the context of data engineering, idempotency refers

In the context of data engineering and analysis, the term data grain refers to the level of granular