ETLtyökalujen
ETLtyökalujen, or ETL tools, are software applications designed to facilitate the extraction, transformation, and loading of data from various sources into a destination system, typically a data warehouse, data lake, or other database. These tools are fundamental components of business intelligence and data integration strategies, enabling organizations to consolidate and analyze data from disparate systems.
The extraction phase involves reading and retrieving data from source systems. These sources can be highly
ETL tools offer a visual interface and pre-built connectors that simplify the complex process of data integration.