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...
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.
value_expression will be returned. If length_expression is negative, an error is generated and the statement is terminated. If the sum of start_expression and length_expression is greater than the number of characters in value_expression, the whole value expression beginning at start_expression is...
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...
Indication of error is expected while the entered length parameter is given a negative value It is permissible to enter the character length as one that is exceeding the actual and total length of the string itself. In such a case, you would retrieve the entire string, beginning at the comme...
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...
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 ...
Examples of SQL Server Substring Let us go through some examples to understand the working of SUBSTRING() in SQL Server and how they can be used within the queries. Example #1 In the below example, it can be seen that the SUBSTRING() function is used with the literal strings. The below...
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...