Answers for "add row number column in mysql"

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row number mysql

SELECT row_number() over ( order by firstName) RowNumberSqeuence,FirstName from rowNumberDemo
 order by FirstName;
Posted by: Guest on September-28-2020
1

get row number in mysql 5.5

set @row_number := 0;

SELECT 
    @row_number:=CASE
        WHEN @customer_no = customerNumber 
			THEN @row_number + 1
        ELSE 1
    END AS num,
    @customer_no:=customerNumber customerNumber,
    paymentDate,
    amount
FROM
    payments
ORDER BY customerNumber;
Posted by: Guest on June-23-2020

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