📊 MySQL
Q. Which operators test whether a subquery returns any rows?
  • (A) IN and NOT IN
  • (B) EXISTS and NOT EXISTS
  • (C) PRESENT
  • (D) ABSENT
💬 Discuss
✅ Correct Answer: (B) EXISTS and NOT EXISTS

Explanation: This question is about how we check if a smaller query (called a subquery) finds any matching data. Think of it like searching for a specific book in a library.

Explanation by: Sonali Mishra
This question is about how we check if a smaller query (called a subquery) finds any matching data. Think of it like searching for a specific book in a library.

💬 Discussion

📊 Question Analytics

👁️
87
Total Visits
📽️
12 mo ago
Published
🎖️
Sonali Mishra
Publisher
📈
95%
Success Rate