Computer Science · DBMS
दो परिणाम सेटों (result sets) को मिलाते समय कौन सा SQL ऑपरेशन यह सुनिश्चित करता है कि डुप्लिकेट पंक्तियाँ हटा दी जाएँ?
- 1UNION✓
- 2INTERSECT
- 3JOIN
- 4UNION ALL
सही उत्तर देखें
UNION
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