# What does round function do in SQL?

Contents

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

## What is the use of round function in SQL?

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

## How do you round up in SQL?

In SQL, you round up to the nearest integer using the CEIL or CEILING function, depending on whether you’re using SQL Server, Oracle, MySQL or PostgreSQL.

## What is round in database?

The ROUND() function is used to round a numeric field to the number of decimals specified. Note: Many database systems do rounding differently than you might expect. … 5 is rounded to the nearest even integer. So, both 11.5 and 12.5 would be rounded to 12.

## How do you round down 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.

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## Is round an aggregate function?

ROUND() Function

It takes two arguments: a number, and a number of decimal places. It can be combined with other aggregate functions, as shown in the given query. This query will calculate the average rating of movies from 2015, rounding to 2 decimal places.

## How do I stop SQL Server rounding off?

Avoid rounding off decimal data, when using SUM function

1. declare @tab table (column1 float)
2. insert @tab values (2082124.75499995), (0.00000001)
3. select * from @tab.
4. select sum(column1) from @tab — shows 2082124,75499996.

## How do you round off an integer in SQL?

ROUND() Function in MySQL. The ROUND() function in MySQL is used to round a number to a specified number of decimal places. If no specified number of decimal places is provided for round off, it rounds off the number to the nearest integer.

## How do you round off in Oracle SQL?

Oracle ROUND() function

1. If no integer is defined, then n is rounded to zero places.
2. If the integer specified is negative, then n is rounded off to the left of the decimal point.
3. If n is positive, then : ROUND(n, integer) = FLOOR(n * POWER(10, integer) + 0.5) * POWER(10, -integer)

## How do I round up in MySQL?

MySQL CEILING() Function – Round Up to the Nearest Integer

In MySQL, the CEILING() function allows you to round a number up to the nearest integer. More specifically, it returns the smallest integer not less than its argument. You can also use the CEIL() function, which is a synonym for CEILING() .

## How do you round off?

Here’s the general rule for rounding:

1. If the number you are rounding is followed by 5, 6, 7, 8, or 9, round the number up. Example: 38 rounded to the nearest ten is 40. …
2. If the number you are rounding is followed by 0, 1, 2, 3, or 4, round the number down. Example: 33 rounded to the nearest ten is 30.
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