Nov 18, 2025 · Use LEN to return the number of characters encoded into a given string expression, and DATALENGTH to return the size in bytes for a given string expression. These outputs might differ …

Definition and Usage The LEN () function returns the length of a string. Note: Trailing spaces at the end of the string is not included when calculating the length. However, leading spaces at the start of the …

Jul 23, 2025 · The LEN () function returns the number of characters in a given string expression, excluding any trailing spaces. It returns an INT data type, except for VARCHAR (max), NVARCHAR …

Apr 27, 2025 · Learn about the SQL Server LEN function to return the length of a string along with some examples of usage.

What Is the LENGTH Function? The LENGTH function in SQL returns the number of characters in a string. It’s a standard function (though sometimes called LEN or CHAR_LENGTH in specific …

Oct 1, 2025 · Use the SQL LENGTH () function to get the number of characters in a string. Perfect for data validation, filtering, and optimizing queries in your database.

The SQL Server LEN function helps find the length of a specified string expression. Or we can say that the LEN Function counts the total number of characters in the given string expression and returns …

This SQL Server tutorial explains how to use the LEN function in SQL Server (Transact-SQL) with syntax and examples. In SQL Server (Transact-SQL), the LEN function returns the length of the …

Here is an example of how the LEN function can be used in a SQL query: SELECT LEN('Hello, world!') AS StringLength; This query would return the value 13, which is the length of the string “Hello, world!”.

Discover how to use the LENGTH ()/LEN () function in SQL with examples, common use cases, and error handling tips to optimize your queries.