フリー問題

問題文

Two fields hold the same short piece of prose that ends in blanks: one is declared CHAR(10) and the other VARCHAR(10). A query reads both and their lengths differ. Why do they differ?

選択肢

1. The reason is that MySQL separates the surplus spaces while the other declaration is left alone.
2. The reason is that MySQL reverses the surplus spaces while the other declaration is left alone.
3. The reason is that MySQL doubles the surplus spaces while the other declaration is left alone.
4. The reason is that MySQL strips the surplus spaces while the other declaration is left alone.