
Introduction
In case you are a knowledge scientist or analyst, knowledge formatting in SQL is a vital ability to know. It helps you current your knowledge in a extra readable and user-friendly method, making it straightforward for stakeholders to grasp. The FORMAT() operate within the SQL server helps you customise the looks of dates, occasions, numbers, and foreign money. On this article we are going to discover the FORMAT operate intimately, whereas exploring its varied makes use of.
Should you’re simply beginning out to discover SQL, right here’s a newbie’s information that can assist you: SQL For Information Science: A Newbie Information
Overview
- Perceive what the FORMAT() operate in SQL is.
- Be taught the syntax of the FORMAT() operate.
- Learn to format dates, occasions, numbers, and foreign money utilizing the FORMAT operate in SQL.
- Discover a number of the most typical sensible purposes of the FORMAT operate.
What’s the Format Operate in SQL?
The FORMAT() operate in SQL helps in changing varied forms of knowledge into particular string codecs. This knowledge may very well be within the type of dates, occasions, numbers, or foreign money. It’s notably helpful when you want to current knowledge in a selected format that aligns with regional settings or consumer preferences.
Syntax
The essential syntax of the FORMAT() operate is as follows:
FORMAT (worth, format [, culture])
Right here,
- worth: The worth to be formatted (generally is a date, time, quantity, or foreign money).
- format: A string that defines the format to use to the worth.
- tradition (elective): A string that specifies the tradition by which the worth is formatted.
Be aware that the format string within the FORMAT() operate is case-sensitive. For instance, ‘MM’ represents months, whereas ‘mm’ represents minutes.

Easy methods to Use the FORMAT() Operate in SQL
Let’s how how we are able to use the FORMAT() operate on the SQL server to format dates, occasions, numbers, and currencies.
Formatting Dates
When coping with dates, the FORMAT operate permits you to show dates in varied codecs.
Listed here are some examples:
SELECT FORMAT(GETDATE(), 'yyyy-MM-dd') AS FormattedDate;
SELECT FORMAT(GETDATE(), 'dddd, MMMM dd, yyyy') AS FormattedDate;
Let’s suppose the date is 4th July 2024. The primary instance would format it as 2024-07-04
, whereas within the second instance, it’s formatted as Thursday, July 04, 2024
.
Formatting Time
Formatting time works equally to dates. Listed here are some examples:
SELECT FORMAT(GETDATE(), 'HH:mm:ss') AS FormattedTime;
SELECT FORMAT(GETDATE(), 'hh:mm tt') AS FormattedTime;
Right here, the primary question codecs the time in a 24-hour format, whereas the second makes use of a 12-hour format with AM/PM notation. So, if the time is 2:30 within the afternoon, the primary format would present it as 14:30:15
whereas the second format would present it as 02:30 PM
.
Formatting Numbers
The FORMAT operate can be extremely helpful for formatting numbers. As an example:
SELECT FORMAT(1234567.89, 'N') AS FormattedNumber;
SELECT FORMAT(1234567.89, '0.00') AS FormattedNumber;
Within the first question, the quantity is formatted with commas as 1000’s separators (1,234,567.89
). Whereas, within the second question, the quantity is formatted to 2 decimal locations (1234567.89
)
Formatting Forex
Formatting foreign money values is one other widespread use of the FORMAT operate:
SELECT FORMAT(1234567.89, 'C', 'en-US') AS FormattedCurrency;
SELECT FORMAT(1234567.89, 'C', 'fr-FR') AS FormattedCurrency;
Right here, the primary question codecs the quantity as US foreign money ($1,234,567.89
), and the second codecs it as French foreign money (1 234 567,89 €
)
Sensible Functions
The FORMAT operate is immensely sensible in varied eventualities, comparable to:
- Producing Experiences: Customise the looks of knowledge in reviews to match regional codecs or consumer preferences.
- Information Export: Format knowledge earlier than exporting it to make sure consistency and readability.
- Consumer Interfaces: Show knowledge in purposes with the suitable formatting for higher consumer expertise.
Conclusion
The FORMAT operate in SQL is a flexible and highly effective device for knowledge formatting. Whether or not you’re coping with dates, occasions, numbers, or foreign money, this operate helps you current your knowledge in a transparent and culturally applicable method. By mastering the FORMAT operate, you’ll be able to improve the readability and professionalism of your knowledge displays. Furthermore, it ensures that everyone you current to, can learn and perceive your knowledge.
Be taught Extra: SQL: A Full Fledged Information from Fundamentals to Superior Degree
Incessantly Requested Questions
A. The FORMAT operate is supported in SQL Server 2012 and later variations.
A. Sure, the FORMAT operate can deal with completely different cultures by specifying the tradition parameter.
A. The format string within the FORMAT operate is case-sensitive. For instance, ‘MM’ represents months, whereas ‘mm’ represents minutes.
A. No, the FORMAT operate is particular to SQL Server. MySQL has its personal set of features for comparable functions.
A. Frequent errors embody utilizing incorrect format strings, specifying unsupported cultures, and making use of the operate to inappropriate knowledge sorts.