ETLELTtyökaluista
ETLELTtyökaluista, often referred to as ETL tools, are software applications designed to facilitate the process of Extract, Transform, and Load. This is a fundamental process in data warehousing and business intelligence, enabling organizations to consolidate data from various disparate sources into a single, consistent data store for analysis and reporting.
The 'Extract' phase involves reading and retrieving data from source systems. These sources can include databases,
The 'Transform' phase is where the extracted data is cleaned, validated, and converted into a usable format.
Finally, the 'Load' phase involves writing the transformed data into the target destination. This destination is
ETL tools streamline these complex operations, offering graphical interfaces to design data flows, manage job scheduling,