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How to round a number in SQL Server?
The ROUND () function rounds a number to a specified number of decimal places. Tip: Also look at the FLOOR () and CEILING () functions. Required. The number to be rounded Required. The number of decimal places to round number to Optional.
What’s the difference between round and truncation in SQL?
The following example uses two SELECT statements to demonstrate the difference between rounding and truncation. The first statement rounds the result. The second statement truncates the result. Here is the result set.
Which is the first argument of a round function in SQL?
The first argument of this function is the column whose values you want to round; the second argument is optional and denotes the number of places to which you want to round. By default, if you don’t specify the second argument, the function rounds to the nearest integer.
How to round a number to 2 decimal places?
Round the number to 2 decimal places, and also use the operation parameter: SELECT ROUND (235.415, 2, 1) AS RoundValue; Try it Yourself ».
What is the required number of decimals to round a number?
Required. The number to be rounded Required. The number of decimal places to round number to Optional. If 0, it rounds the result to the number of decimal. If another value than 0, it truncates the result to the number of decimals.
When does round return a rounded numeric expression?
If length is negative and larger than the number of digits before the decimal point, ROUND returns 0. ROUND returns a rounded numeric_expression, regardless of data type, when length is a negative number. Results in an arithmetic overflow, because 748.58 defaults to decimal (5,2), which cannot return 1000.00.
What’s the wrong tool to round up decimals?
You are correct, round is the wrong tool for this job. Instead, you should use floor and ceiling. Unfortunately, they do not have a precision parameter like round, so you’d have to simulate it using division and multiplication: Thanks for contributing an answer to Stack Overflow!