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## How do you round off value in SQL?

Decimal data type value with positive Length

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 round function do 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 to 2 decimal places in SQL?

Select Convert(Numeric(38, 2), Minutes/60.0) from …. MySQL: Select Convert(Minutes/60.0, Decimal(65, 2)) from …. The Cast function is a wrapper for the Convert function.

## How do you round to zero decimal places in SQL?

**ROUND() Function in SQL Server**

- This function is used to round off a specified number to a specified decimal places.
- This function accepts only all type of numbers i.e., positive, negative, zero.
- This function accepts fraction numbers.
- This function always returns the number after rounded to the specified decimal places.

## 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.

## How do I round a column in SQL?

If you’d like to round a floating-point number to a specific number of decimal places in SQL, **use the ROUND function**. 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.

## How do you subtract in SQL?

Arithmetic operators can perform arithmetical operations on numeric operands involved. Arithmetic operators are addition(+), subtraction(-), multiplication(*) and division(/).

…

Arithmetic Operators.

Operator | Meaning | Operates on |
---|---|---|

– (Subtract) | Subtraction | Numeric value |

* (Multiply) | Multiplication | Numeric value |

/ (Divide) | Division | Numeric value |

## How do you set decimal places in SQL?

Generally you can define the precision of a number in SQL by defining it with parameters. For most cases this will be NUMERIC(10,2) or Decimal(10,2) – will define a column as a Number with 10 total digits with a precision of 2 (decimal places). It can also be declared as DECIMAL(10, 2).

## What is cast in SQL?

The SQL CAST function **converts the data type of an expression to the specified data type**. CAST can convert the data type of expr when that data type is a standard data type or a subclass of a standard data type such as %Library. String , %Library.

## What is Floor in SQL?

In SQL Server (Transact-SQL), the FLOOR function **returns the largest integer value that is equal to or less than a number**.