# Frequent question: What is round function in SQL Server?

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## What is ROUND function in SQL?

In SQL Server (Transact-SQL), the ROUND function returns a number rounded to a certain number of decimal places.

## What is ROUND function in SQL with example?

ROUND always returns a value. 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.

## What is the use of ROUND function?

The ROUND function is used to return a number rounded to a specific number of digits. The ROUND function is a Math & Trig function. The ROUND function works by rounding the numbers 1-4 down and rounding the numbers 5-9 up. You can round a number up (away from zero) with the help of the ROUNDUP function.

## How do I round to 2 decimal places in SQL Server?

Replace your query with the following. Select Convert(Numeric(38, 2), Minutes/60.0) from …. MySql: Select Convert(Minutes/60.0, Decimal(65, 2)) from ….

## How do you round to 2 decimal places?

Rounding to decimal places

1. look at the first digit after the decimal point if rounding to one decimal place or the second digit for two decimal places.
2. draw a vertical line to the right of the place value digit that is required.
3. look at the next digit.
4. if it’s 5 or more, increase the previous digit by one.
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## What is the use of substr in SQL?

Substring() is a function in SQL which allows the user to derive substring from any given string set as per user need. Substring() extracts a string with a specified length, starting from a given location in an input string. The purpose of Substring() in SQL is to return a specific portion of the string.

## How do you round a function in SQL query?

SELECT ROUND(@value, 1); SELECT ROUND(@value, 2); SELECT ROUND(@value, 3); In this example, we can see that with decimal values round up to the nearest value as per the length.

## What is Floor in SQL?

The SQL FLOOR() function rounded up any positive or negative decimal value down to the next least integer value. SQL DISTINCT along with the SQL FLOOR() function is used to retrieve only unique value after rounded down to the next least integer value depending on the column specified. Syntax: FLOOR(expression)

## Is 0.5 rounded up or down?

If the decimal portion is less than 0.5, we round down, if the decimal portion is more than 0.5, we round up, and if the decimal portion is exactly 0.5, we look at the place value to the left of the five (yes, really, the left!). If it’s an odd number, you round up, and if it’s an even number, you round down.

## What is Ceil function?

The CEIL() function returns the smallest integer value that is bigger than or equal to a number. Note: This function is equal to the CEILING() function.

## How do you use if function?

Use the IF function, one of the logical functions, to return one value if a condition is true and another value if it’s false. For example: =IF(A2>B2,”Over Budget”,”OK”) =IF(A2=B2,B4-A4,””)

## How do I limit decimal places in SQL query?

SQL Server ROUND() Function

The ROUND() function rounds a number to a specified number of decimal places. Tip: Also look at the FLOOR() and CEILING() functions.

## How do I reduce decimal places in SQL?

The SQL AVG() function returns the average value with default decimal places. The CAST() is used to increase or decrease the decimal places of a value. The CAST() function is much better at preserving the decimal places when converting decimal and numeric data types.

## What is numeric SQL Server?

In SQL, numbers are defined as either exact or approximate. The exact numeric data types are SMALLINT , INTEGER , BIGINT , NUMERIC(p,s) , and DECIMAL(p,s) . Exact SQL numeric data type means that the value is stored as a literal representation of the number’s value. 