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The number of rows in the table is 10. Suppose all rows are deleted. The new row starts with sequence number _____________

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The number of rows in the table is 10. Suppose all rows are deleted. The new row starts with sequence number _____________

(a) 11

(b) 1

(c) 100

(d) 101

The question was asked in semester exam.

I want to ask this question from Working with Sequences topic in division Data Types of MySQL

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Correct choice is (b) 1

To elaborate: When the row containing the largest value in an AUTO_INCREMENT column is deleted, that value is reused the next time a new value is generated. In this case the sequence number is 1.

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