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What is the function of the following command?
Delete from r where P;
  • a)
    Clears entries from relation
  • b)
    Deletes relation
  • c)
    Deletes particular tuple from relation
  • d)
    All of the mentioned
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
What is the function of the following command?Delete from r where P;a)...
In the command the P gives condition to delete a particular tuple.
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Community Answer
What is the function of the following command?Delete from r where P;a)...

Function of DELETE command:

Deleting a particular tuple from a relation using the DELETE command.

- Delete from r where P: This command is used to delete a particular tuple from a relation 'r' based on a condition 'P'.
- Clears entries from relation: The DELETE command does not clear all entries from the relation, instead, it targets specific tuples that satisfy the condition 'P'.
- Deletes relation: The DELETE command does not delete the entire relation, it only removes specific tuples that meet the condition specified in the WHERE clause.
- Deletes particular tuple from relation: The main function of the DELETE command is to delete a particular tuple or row from a relation based on the given condition.

Therefore, the correct function of the DELETE command with the given syntax is to delete a specific tuple from the relation 'r' that satisfies the condition 'P'.
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What is the function of the following command?Delete from r where P;a)Clears entries from relationb)Deletes relationc)Deletes particular tuple from relationd)All of the mentionedCorrect answer is option 'C'. Can you explain this answer?
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