Which of the following activities is most likely performed during data preparation in the ETL process?

The correct answer is C. Removing data duplicates. During the data preparation phase of the ETL (Extract, Transform, Load) process, tasks like cleaning and organizing the data are performed to ensure its quality and usability. Removing data duplicates is a key activity in this phase to eliminate redundant information, which…

Data Concepts and Environments

Question

Options

AFeeding data to a report
BExtracting web data
CRemoving data duplicates
DLogging in to a domain

How the community answered

(37 responses)

A
3% (1)
C
95% (35)
D
3% (1)

Explanation

During the data preparation phase of the ETL (Extract, Transform, Load) process, tasks like cleaning and organizing the data are performed to ensure its quality and usability. Removing data duplicates is a key activity in this phase to eliminate redundant information, which improves data consistency and accuracy for analysis.

Topics

#ETL process#Data preparation#Data cleaning#Data transformation

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