❮Previous❮ SQL Server FunctionsNext❯ ExampleGet your own SQL Server Remove leading and trailing spaces from a string: SELECTTRIM(' SQL Tutorial! ')ASTrimmedString; Try it Yourself » Definition and Usage
在MS SQL Server 2017有了一个新函数TRIM,整合以前版本LTRIM和RTRIM。 这几个函数都是去除字符串头部后尾部的空格。 DECLARE @str NVARCHAR(MAX) = N' ' SELECT @str AS [str], [dbo].[svf_StringLength](@str) AS [length] SELECT LTRIM(@str) AS [str], [dbo].[svf_StringLength](LTRIM(@str))...
在MS SQL Server 2017有了一个新函数TRIM,整合以前版本LTRIM和RTRIM。 这几个函数都是去除字符串头部后尾部的空格。 Source Code 上面示例中有一个自定义函数[str],[dbo].[svf_StringLength](),详细可参考这篇《计算字符串尾部空格长度》https://www.cnblogs.com/insus/p/10923726.html。
but this function recognizes only the Unicode code point 0x0020. When double-byte character set (DBCS) strings are converted to Unicode they may include space characters other than 0x0020 and the function cannot remove such spaces. To remove all kinds of spaces, you can use the Microsoft Visua...
By default, theTRIMfunction removes the space character from both the start and the end of the string. This behavior is equivalent toLTRIM(RTRIM(@string)). To enable the optionalLEADING,TRAILING, orBOTHpositional arguments in SQL Server 2022 (16.x), you must enable database compatibility level...
在旧版本的 SQL Server 中,您必须使用 LTRIM 和RTRIM 来执行修剪,如下所示。 DECLARE @ss varchar(60) SET @ss = ' admin ' select RTRIM(LTRIM(@ss)) 如果您不喜欢在任何地方使用 LTRIM , RTRIM ,您可以创建自己的自定义函数,如下所示。 CREATE FUNCTION dbo.TRIM(@string NVARCHAR(max)) RETURNS NVAR...
在SQL 中,`TRIM()` 函数用于从字符串的开头和结尾删除空格或指定的字符1. 创建一个自定义的 TRIM 函数:```sqlCREATE FUNCTION custom_trim(...
A difference of 1 in reads between to the two plans according to SQL Server. So the basic premise is that you should actually want SQL Server to add a TRIM function because when they do they will also program how the optimizer “looks” at this function in the whole scheme of things an...
In Oracle/PLSQL, the trim function removes all specified characters either from the beginning or the ending of a string. The syntax for the trim function is: trim( [ leading | trailing | both [ trim_character ] ] string1 ) leading - remove trim_string from the front of string1. ...
By default, the TRIM function removes the space character from both the start and the end of the string. This behavior is equivalent to LTRIM(RTRIM(@string)). To enable the optional LEADING, TRAILING, or BOTH positional arguments in SQL Server 2022 (16.x), you must enable database compati...