The SUBSTRING() function extracts a substring starting from a position in an input string with a given length. In the case of a substring, you need an input string and need to mention the starting point and the total length of the string.
Input: String, start, length
Output: substring.
Syntax :
SUBSTRING(input_string, start, length);
Parameter :
SUBSTRING function accepts three-parameter like String, start, length. Let’s have a look.
- input_string –It can be a character, binary, text, ntext, or image expression.
- start – It is an integer defining the location where the returned substring starts. The first position in the string is 1.
- length – It is a positive integer that specifies the number of characters to be returned from the substring.
Returns :
It returns a substring with a specified length starting from a location in an input string.
Example:
Using SUBSTRING() function with literal strings.
SELECT SUBSTRING('Hello World', 7, 5 )
AS ExtractString;
Output :
ExtractString
World