Learn the best practices for Updating Legacy data sources, including the importance of codebooks in documenting field changes for data consistency and efficient data management.

Question

Which of the following is a best practice when Updating a legacy data source?

A. Placing old data in new fields
B. Keeping only the most recent data
C. Creating a codebook to document field changes
D. Removing the data source from production

Answer

C. Creating a codebook to document field changes

Explanation

Updating a legacy data source requires careful documentation of any modifications to ensure data consistency and future reference. A codebook serves as a comprehensive guide outlining the changes made to fields, including their original and updated definitions, data types, and any transformations applied.

CompTIA DA0-001 certification exam practice question and answer (Q&A) dump with detail explanation and reference available free, helpful to pass the CompTIA DA0-001 exam and earn CompTIA DA0-001 certification.

The post DA0-001: Best Practices for Updating Legacy Data Sources appeared first on PUPUWEB - Tech Solution and Advice from Pro.