A Admin 🎓 Coach ⭐ 38.23K Points 📊 MySQL Q. Which key declares that an index in one table is related to that in another? (A) primary (B) ALTER DATABASE (C) foreign (D) cross 👁️ Show Answer 💬 Discuss 🔗 Share ⚡Menu ✅ Correct Answer: (C) foreign Explanation: This question asks about the type of key that links an index in one table to an index in another table.