Test: Lekcja 7: Praca z wartościami NULL

Learning Mode
Progress: 4 of 10
Quiz Preview Mode

You're taking this quiz in preview mode with real feedback! Experience how our detailed explanations help you learn. Your progress won't be saved permanently.

Question 4
Które z poniższych działań znajdzie wiersze z przypisanym adresem e-mail (nie-NULL)?

Select one answer.

Next Finish Quiz