ETL vs. ELT: How Data Transformation Changes in the Cloud
clouddb.substack.com
The old saying “garbage in, garbage out” goes back more than 60 years in computing, but it's as relevant today as ever. ETL helps fix that age-old problem. ETL stands for Extract/Transform/Load, and it’s essential in data warehousing. It’s the three-step process of extracting data from source databases; transforming raw data into a format for analysis; and loading the reformatted data into the data warehouse.
ETL vs. ELT: How Data Transformation Changes in the Cloud
ETL vs. ELT: How Data Transformation Changes…
ETL vs. ELT: How Data Transformation Changes in the Cloud
The old saying “garbage in, garbage out” goes back more than 60 years in computing, but it's as relevant today as ever. ETL helps fix that age-old problem. ETL stands for Extract/Transform/Load, and it’s essential in data warehousing. It’s the three-step process of extracting data from source databases; transforming raw data into a format for analysis; and loading the reformatted data into the data warehouse.