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Question

What is the meaning of “EMPTY SET” in the following MySQL command?
SELECT fname, lname, person_id
FROM person
WHERE lname=’s’;
/* after Execution*/ Mysql tool RETURN EMPTY SET 0:00sec

a.

No values

b.

Error

c.

Access denied

d.

None of the mentioned

Answer: (a).No values

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Q. What is the meaning of “EMPTY SET” in the following MySQL command?