Both system functions, Len() and DataLength(), in SQL Server are used to measure the length of the data. The main difference of those 2 is that Len() gets the string length of the data in which DataLength measures the storage length of the data. Len always converts the input to strin...
SQL Datalength() syntax DATALENGTH(expression) In this syntax: expression: It is required value, here, the data type to return the length for, furthermore, If there are the expression is NULL, then it will returns the NULL . Note:Technical Details: It function works in SQL Server (starting...
❮Previous❮ SQL Server FunctionsNext❯ ExampleGet your own SQL Server Return the length of an expression (in bytes): SELECTDATALENGTH('W3Schools.com'); Try it Yourself » Definition and Usage The DATALENGTH() function returns the number of bytes used to represent an expression. ...
See ALTER DATABASE Compatibility Level (Transact-SQL) for more information about compatibility levels.Note Use the 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 may differ ...
SQL Server Azure SQL Database Azure SQL Managed Instance Azure Synapse Analytics Analytics Platform System (PDW) This function returns the number of bytes used to represent any expression. Note To return the number of characters in a string expression, use theLENfunction. ...
This function is translated to a corresponding function in the database. For information about the corresponding SQL Server function, seeDATALENGTH (Transact-SQL). Applies to .NET Framework 4.8.1 and other versions ProductVersions .NET Framework4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, ...
http://docs.oracle.com/cd/E11882_01/server.112/e26088/functions088.htm#SQLRF00658 mysql: length char_length BIT_LENGTH() Return length of argument in bits CHAR_LENGTH() Return number of characters in argument CHARACTER_LENGTH() A synonym for CHAR_LENGTH() ...
Im folgenden Beispiel wird nach der Länge derName-Spalte in derProduct-Tabelle gesucht. USE AdventureWorks; GO SELECT length = DATALENGTH(Name), Name FROM Production.Product ORDER BY Name; GO Siehe auch Verweis LEN (Transact-SQL) CAST und CONVERT (Transact-SQL) ...
DATALENGTH in SQL Server returns 1 BYTE for multibyte character <category scheme="https://stackoverflow.com/tags" term="sql"/> <category scheme="https://stackoverflow.com/tags" term="sql-server"/> <category scheme="https://stackoverflow.com/tags" term="datalength"/> <category scheme="...
【编辑推荐】 字符型IP地址转换成数字IP的SQL函数 返回一个时间段中某个随机时间的Sql函数 基于时间SQL函数详解 巧用SQL函数实现身份证15位变18位 教您使用SQL中的TRUNC函数