multivalued attributes in databases

Question

How should a relational database be designed to handle multi-valued attributes ?

edit: To elaborate:

There are two ways I could think of for do

Answer 1

Read here http://dev.mysql.com/tech-resources/articles/intro-to-normalization.html about the First (1NF), Second (2NF) and Third (3NF) normal forms of database design. There are more forms above 3NF, but usually 3NF is sufficient.