Comprehensive and Detailed In-Depth Explanation:
ETL stands for Extract, Transform, Load, which are the three fundamental steps in the data integration process:
* Extract:Retrieving data from various source systems.
* Transform:Cleaning and converting the extracted data into a suitable format or structure for analysis.
* Load:Inserting the transformed data into a target database or data warehouse.
Option A:Reviewing and addressing missing values
* Rationale:During theTransformphase of the ETL process, data is cleansed and prepared for analysis.
This includes reviewing and addressing missing values to ensure data quality and consistency. Handling missing data is crucial, as it can impact the accuracy of analyses and decision-making.