Question: Why would you use stored functions?

  1. for formulas and business rules that you want to apply to columns in an SQL query
  2. for formulas and business rules that should be applied on a specific trigger event like on inserts
  3. to automatically modify the data of a table based on a query
  4. for reusing recurring queries

Answer: The correct answer of the above question is Option B:for formulas and business rules that should be applied on a specific trigger event like on inserts