Data Type Quiz

5 questions Pass: 70% +25 pts (50 with Pro)

Quiz covering Data Management Strategy

What you'll be asked

  1. Which data type is most appropriate for storing a customer's total purchase amount in a retail application?
  2. When designing a database schema, why is choosing the correct data type for a column important for performance?
  3. You are storing a unique identifier for a global system where you must guarantee no collisions across distributed nodes. Which data type should you use?
  4. Which of the following scenarios best justifies the use of a BLOB (Binary Large Object) data type?
  5. In a high-concurrency system, why is using 'Varchar(MAX)' or 'Text' for every string column considered a poor design strategy?

Answers and explanations come after you submit.