Finding percentages in MySQL: Determine the numerator and denominator. Divide the numerator by the denominator to find the result. Use the ROUND() function to round the result to a specified number of decimal places (usually two decimal places). Syntax: ROUND((numerator/denominator) * 100, 2)
##How to find the percentage in MySQL
In MySQL, you can use theROUND() function and the division operator (
/) to calculate percentages.
Steps:
- Determine the numerator and denominator: Determine the two values for which the percentage is to be calculated.
- Calculation result: Divide the numerator by the denominator to get the result.
- Rounding: Use the ROUND()
function to round the result to a specified number of decimal places, usually two decimal places.
Syntax:
ROUND((分子 / 分母) * 100, 2)
Example:
Calculate the order total of $100, one of which The price of an item is $20. How to find the percentage of the total amount that this item accounts for?ROUND((20 / 100) * 100, 2)Result: 20.00 Therefore, this item accounts for 20% of the total.
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