state gov UP Police Computer Operator Grade A Mock Test 2023 Computer Awareness DBMS

निम्नलिखित में से कौन सा command वह है जिसका उपयोग संबंध से मानों को हटाने के लिए किया जाना चाहिए?

1
Delete from teaches
2

Drop table teaches

3
Delete from teaches where Id =’ Null’
4
Remove table teaches
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