If length is negative, an error is generated and the statement is terminated. If the sum of start and length is greater than the number of characters in expression, the whole value expression beginning at start is returned.Return Types
7. Substring Negative Index Example We can also use a negative index with the SQL Server substring function, but it might not make sense. For example, we take the substring index as (-2, 3). It means the index begins with position -2 and returns 3 characters from there. The function ...
This SQL Server tutorial explains how to use the SUBSTRING function in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), the SUBSTRING functions allows you to extract a substring from a string.
Is a positive integer orbigintexpression that specifies how many characters of theexpressionwill be returned. Iflengthis negative, an error is generated and the statement is terminated. If the sum ofstartandlengthis greater than the number of characters inexpression, the whole value expression begi...
Is a positive integer orbigintexpression that specifies how many characters of theexpressionwill be returned. Iflengthis negative, an error is generated and the statement is terminated. If the sum ofstartandlengthis greater than the number of characters inexpression, the whole value expression begi...
Is a positive integer orbigintexpression that specifies how many characters of theexpressionwill be returned. Iflengthis negative, an error is generated and the statement is terminated. If the sum ofstartandlengthis greater than the number of characters inexpression, the whole value expression begi...
Returns part of a character, binary, text, or image expression in SQL Server. Transact-SQL syntax conventions Syntax syntaxsql Kopiëren SUBSTRING ( expression, start, length ) Notitie To view Transact-SQL syntax for SQL Server 2014 (12.x) and earlier versions, see Previous versions documen...
In SQL Server, theSUBSTRING()function returns a part of a given string. The given string can be of character, binary, text, or image type. SUBSTRING(expression, start, length) Parameters expression: The character, binary, text, ntext, or image type. ...
If start is greater than the number of characters in the value expression, a zero-length expression is returned. length Is a positive integer or bigint expression that specifies how many characters of the expression will be returned. If length is negative, an error is generated and the ...
For example, SELECT SUBSTRING('Hello World',1,5) will yield the result "Hello". Keep in mind "start" and "length" can be expressions themselves as well, as long as they return a positive integer, negative integer or a bigint.