Computer Science · Database Management System

SQL में कौन सा प्रतिबंध (constraint) यह निर्दिष्ट करता है कि एक विशेष विशेषता (attribute) हमेशा एक मान से भरी होनी चाहिए और उसे खाली नहीं छोड़ा जा सकता?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1NOT BLANK
2UNIQUE
3NOT EMPTY
4NOT NULL✓

सही उत्तर देखें

NOT NULL

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