What is the key distinction between 1NF and 2NF?

• A. 1NF eliminates repeating groups; 2NF removes partial dependencies on candidate keys.
• B. 1NF deals with data types; 2NF deals with indexing.
• C. 1NF handles synonyms; 2NF handles transitive dependencies.
• D. 1NF and 2NF both address none of the above.

Answer: (A)