Computer Science · Database Management System
एक डेटाबेस में संबंध Student (rollno, name, marks) शामिल है। निम्नलिखित में से कौन सी एक गलत या विरोधाभासी SQL क्वेरी है जो हमेशा शून्य पंक्तियाँ लौटाएगी?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Select * from student where marks >= 60 and rollno <= 80;
- 2Select * from student where marks = 80;✓
- 3Select * from student where marks >= 60 and marks <= 80;
- 4Select * from student where marks between 60 and 80;
सही उत्तर देखें
Select * from student where marks = 80;
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