91,567 views
38 votes
38 votes
The goal of the step of the etl process is to take the source data from all the various sources and convert it into a single format suitable for processing.

User Graham Walters
by
2.8k points

1 Answer

19 votes
19 votes

Final answer:

The question addresses the transformation step in the ETL process, where data from multiple sources is converted into a standard format that is suitable for further processing and analysis.

Step-by-step explanation:

The question refers to a step in the Extract, Transform, Load (ETL) process which is crucial in data warehousing and data integration tasks. The goal of this step is converting source data from multiple formats into a single, unified format. This standardization is necessary for data processing and analysis. ETL is a powerful quantitative tool for problem-solving in data management. It involves extracting data from different sources, transforming it into a suitable format, and then loading it into a target system for further use.

The transformation step can be approached as either discrete steps or as a single calculation that involves a combination of three conversion factors. For instance, in a business context, this could involve formatting dates consistently, standardizing monetary units, or converting text data. This ensures that downstream processes, such as analytics or reporting, are based on reliable and consistent data.

User Marius Jaraminas
by
2.6k points