analytics-dictionary / tool overview / data infrastructure

Apache Airflow

Apache Airflow is an open-source platform for authoring, scheduling and monitoring data workflows.

Written by Reflective Data experts · updated Oct 5, 2026

Workflows are defined in Python as graphs of tasks with dependencies, retries and schedules. It is widely used for orchestrating data pipelines.

It is flexible and powerful, but running and maintaining it takes engineering effort; managed offerings reduce that.

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A warehouse migration moves data, models and reports from one warehouse platform to another.

OLTP (online transaction processing) databases are built to run applications, handling many small reads and writes…

SQL is the standard language for querying and managing data in relational databases and warehouses.

Partitioning splits a large table into segments, and clustering sorts data within them, so queries read…

PII is any data that can identify a person, such as a name, email address, phone…

Data latency is the delay between something happening and it being available for analysis.