Q. Suppose you want to select a database named 'sampledb' as the default database. Which of the following commands do you use?
✅ Correct Answer: (D)
USE sampledb
Explanation: This question is about how to tell MySQL which database you want to work with. Imagine you have multiple folders on your computer, and you want to work in a specific folder. In MySQL, you have different databases, and you need to choose the one you want to use.