How Can I Control Decimal Precision in SQL Server?

Control decimal accuracy in SQL Server

When processing numerical data in SQL Server, you usually need to specify the required decimal digits to ensure the accuracy of calculation and display.

How to write a number with two decimals

To write a number accurate to two decimal numbers in SQL Server, please use the Convert function with Decimal data type:

<code class="language-sql">SELECT CONVERT(DECIMAL(10,2), YOUR_NUMBER)</code>

Decimal data type specifies two parameters:

precision:
• The total number of numbers, including the integer part and the decimal part. In this example, 10 indicates a total of 10 digits. SCALE:
• decimal digits. Specify 2 here to ensure two decimals.
Example

For example, the value of 2.999999 is converted into a number with two decimals:

This will output 3.00.

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