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Definition and Usage. The LENGTH () function returns the length of a string (in bytes). Syntax. LENGTH ( string) Parameter Values. Technical Details. More Examples. Example. Return the length of the text in the "CustomerName" column, in bytes: SELECT LENGTH (CustomerName) AS LengthOfName. FROM Customers; Try it Yourself »
The SQL LENGTH function returns the number of characters in a string. The LENGTH function is available in every relational database systems. Some database systems use the LEN function that has the same effect as the LENGTH function. The following illustrates the syntax of the LENGTH function.
Apr 16, 2024 · SQL’s LENGTH () function is about finding the character count in a string. This function comes in handy when you need to verify input lengths, format output or perform data analysis tasks.
LENGTH() returns the number of characters in a given string. It has only one parameter – the string itself. If the input string is empty, the function returns 0; if the string is NULL, the function also returns NULL. In MySQL, LENGTH() returns the length of the string in bytes (not the number of characters). This means that if a string ...
Jun 9, 2023 · The SQL LENGTH or LEN function will find the length of, or the number of characters in, a string value. You specify the string you want to find the length of, and the LENGTH or LEN function returns a number representing the number of characters of that string.
Aug 10, 2023 · SELECT LEN(FirstName) AS Length, FirstName, LastName FROM Sales.vIndividualCustomer WHERE CountryRegionName = 'Australia'; GO Examples: Azure Synapse Analytics and Analytics Platform System (PDW) The following example returns the number of characters in the column FirstName and the first and last names of employees located in Australia .
The LEN function is used to provide the number of characters in a string without including trailing spaces. The function returns an integer of the value of characters and if the LEN is big for data types like nvarchar (max), varchar (max), the number returned is a bigint data type.
SQL Server LEN () Function. Summary: in this tutorial, you will learn how to use the SQL Server LEN() function to return the number of characters of an input string.
The SQL LEN function is a built-in function that is used to return the length of a given string or expression in characters. The LEN function is commonly used in SQL queries to perform various operations on character data. For example, it can be used to validate the length of input data to ensure that it meets certain requirements.
The LENGTH () function takes a string argument and returns its length measured in bytes. Therefore, the result of the LENGTH() function is based on the current character set of the string. Note that to get the number of characters of a string, you use the CHAR_LENGTH() function instead.
