search
HomeDatabaseSQLWhat does round mean in sql

ROUND meaning in SQL

In SQL, the ROUND function is used to round a number to a specified number of decimal places. This function rounds a number according to the specified number of digits and returns the result as output.

Syntax

<code>ROUND(number, decimal_places)</code>

Where:

  • number: The number to be rounded.
  • decimal_places: Specifies the number of decimal places to round to.

Example

To round the number 123.4567 to two decimal places, you can use the following query:

<code>SELECT ROUND(123.4567, 2);</code>

Output:

<code>123.46</code>

Rounding rules

ROUND function follows standard rounding rules:

  • If the number after the rounding digit is greater than or equal to 5, then round The position increases by 1.
  • If the number following the rounding digit is less than 5, the rounding digit remains unchanged.

Note

  • If the specified number is NULL, the ROUND function returns NULL.
  • If the specified decimal_places is a negative number, the ROUND function returns the input number itself (unrounded).
  • If the specified decimal_places is greater than the number of decimal places of the input number, the ROUND function returns the input number directly.

The above is the detailed content of What does round mean in sql. For more information, please follow other related articles on the PHP Chinese website!

Statement
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
What are the different types of data partitioning in SQL (horizontal, vertical)?What are the different types of data partitioning in SQL (horizontal, vertical)?Mar 13, 2025 pm 02:01 PM

The article discusses horizontal and vertical data partitioning in SQL, focusing on their impact on performance and scalability. It compares benefits and considerations for choosing between them.

How do I use aggregate functions in SQL to summarize data (SUM, AVG, COUNT, MIN, MAX)?How do I use aggregate functions in SQL to summarize data (SUM, AVG, COUNT, MIN, MAX)?Mar 13, 2025 pm 01:50 PM

The article explains how to use SQL aggregate functions (SUM, AVG, COUNT, MIN, MAX) to summarize data, detailing their uses and differences, and how to combine them in queries.Character count: 159

What are the security risks of using dynamic SQL and how can I mitigate them?What are the security risks of using dynamic SQL and how can I mitigate them?Mar 13, 2025 pm 01:59 PM

The article discusses security risks of dynamic SQL, focusing on SQL injection, and provides mitigation strategies like using parameterized queries and input validation.

What are the different transaction isolation levels in SQL (READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, SERIALIZABLE)?What are the different transaction isolation levels in SQL (READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, SERIALIZABLE)?Mar 13, 2025 pm 01:56 PM

The article discusses SQL transaction isolation levels: READ UNCOMMITTED, READ COMMITTED, REPEATABLE READ, and SERIALIZABLE. It examines their impact on data consistency and performance, noting that higher isolation ensures greater consistency but ma

How do I comply with data privacy regulations (GDPR, CCPA) using SQL?How do I comply with data privacy regulations (GDPR, CCPA) using SQL?Mar 18, 2025 am 11:22 AM

Article discusses using SQL for GDPR and CCPA compliance, focusing on data anonymization, access requests, and automatic deletion of outdated data.(159 characters)

How do I secure my SQL database against common vulnerabilities like SQL injection?How do I secure my SQL database against common vulnerabilities like SQL injection?Mar 18, 2025 am 11:18 AM

The article discusses securing SQL databases against vulnerabilities like SQL injection, emphasizing prepared statements, input validation, and regular updates.

How do I implement data partitioning in SQL for performance and scalability?How do I implement data partitioning in SQL for performance and scalability?Mar 18, 2025 am 11:14 AM

Article discusses implementing data partitioning in SQL for better performance and scalability, detailing methods, best practices, and monitoring tools.

What are the ACID properties of transactions in SQL?What are the ACID properties of transactions in SQL?Mar 13, 2025 pm 01:54 PM

The article discusses the ACID properties (Atomicity, Consistency, Isolation, Durability) in SQL transactions, crucial for maintaining data integrity and reliability.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Tools

mPDF

mPDF

mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SAP NetWeaver Server Adapter for Eclipse

SAP NetWeaver Server Adapter for Eclipse

Integrate Eclipse with SAP NetWeaver application server.

Atom editor mac version download

Atom editor mac version download

The most popular open source editor

MinGW - Minimalist GNU for Windows

MinGW - Minimalist GNU for Windows

This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.