Extract 3 characters from a string, starting in position 1: The SUBSTRING () function extracts some characters from a string. Required. The string to extract from. Required. The start position. The first position in string is 1. Required. The number of characters to extract. Must be a …

Apr 16, 2025 · A. Use SUBSTRING with a character string. The following example shows how to return only a part of a character string. From the sys.databases table, this query returns the system database names in the first column, the first letter of the database in the second column, and the third and fourth characters in the final column.

May 10, 2023 · The SQL Server SUBSTRING function extracts a portion of a string based on its starting position and length. The syntax for the SUBSTRING function is as follows: SUBSTRING (input_string, start_position, length)

In this tutorial, you will learn how to use the SQL Server SUBSTRING() function to extract a substring from a string.

Mar 1, 2021 · SQL Server provides many useful functions such as ASCII, CHAR, CHARINDEX, CONCAT, CONCAT_WS, REPLACE, STRING_AGG, UNICODE, UPPER for this purpose. In this article, we explore SUBSTRING, PATINDEX, and CHARINDEX using examples. The SUBSTRING () function extracts the substring from the …

Jun 17, 2024 · The SQL Server SUBSTRING function extracts a substring from a string, starting at a specified position and with an optional length. The SUBSTRING function also works in Azure SQL Database , Azure SQL Data Warehouse , and Parallel Data Warehouse .

Feb 28, 2025 · What is the SQL Server SUBSTRING () function? The SUBSTRING () function in SQL Server is a string-manipulation powerhouse. Whether you’re pulling out specific characters for data cleanup or extracting meaningful patterns from raw text, SUBSTRING () …

First, find the position of the dot character (.) using the POSITION() function. Second, retrieve the extension by extracting a substring from the position of the dot character (.) to the end of the domain name. We’ll use the following employees table in the sample database.

5 days ago · The SUBSTRING function returns part of a string according to a start position and length provided. The following example will start show the substring starting at position 1 for a length of 5. If the start position is negative integer (as opposed to a positive integer), the substring still works fine and starts at a negative position.

The SQL Server SUBSTRING function is a powerful and commonly used string manipulation function that allows you to extract a substring from a given string. This function is particularly useful in SQL queries when you need to work with parts of a text field or column.