Definition
Getting Data: Ingestion refers to the process of collecting, importing, and preparing raw data from various sources into a system for analysis or processing. This involves establishing reliable pipelines that can handle different data formats and velocities, ensuring data integrity throughout the transfer. Effective data ingestion is crucial for timely decision making, as it provides the foundation for all subsequent data operations and insights. For instance, a retail company might ingest sales transaction data from point-of-sale systems into a data warehouse for inventory management and trend analysis. This differs from data transformation, which occurs after ingestion to clean and structure the data. Understanding data ingestion is fundamental for roles tested in domains like data management and analytics, relevant to certifications such as AWS Certified Data Analytics Specialty.