All of the Following Are Tasks of Data Cleansing EXCEPT

question 26

Multiple Choice

All of the following are tasks of data cleansing EXCEPT:

• A) decoding data to make them understandable for data warehousing applications.
• B) adding time stamps to distinguish values for the same attribute over time.
• C) generating primary keys for each row of a table.
• D) creating foreign keys.

---

Definitions:

Sherman Antitrust Act

Passed in 1890, first law to restrict monopolistic trusts and business combinations; extended by the Clayton Antitrust Act of 1914.

Theodore Roosevelt

The 26th president of the United States, known for his progressive policies, conservation efforts, and leadership of the Rough Riders.

Western Railroads

The network of train lines established in the Western United States during the 19th and early 20th centuries, significant for their role in the expansion and development of the region.

Trust-Busting

The practice of government efforts to break up corporate monopolies and ensure competition in the marketplace.