1. Under what circumstances would you not want to normalize a table? Do you feel the advantages of normalization outweigh the disadvantages?

1. Under what circumstances would you not want to normalize a table? Do you feel the advantages of normalization outweigh the disadvantages?

2.Discuss different approaches to data validation. Why does it make better sense to take care of data entry validations in user interface as opposed to data layer?

I need about 150-200 word response for each of the questions.