步骤3: 使用TRIM函数去除空格 使用TRIM函数可以非常方便地去掉字符串两侧的空格。下面的代码展示了如何使用该函数: SELECTID,StringWithSpacesAS'OriginalString',TRIM(StringWithSpaces)AS'TrimmedString'FROMTestStrings; 1. 2. 3. 4. 解析:此查询将从TestStrings表中选择 ID 和原始字符串,并用TRIM函数得到去掉空格...
下例使用 LTRIM 字符删除字符变量中的起始空格。 DECLARE @string_to_trim varchar(60) SET @string_to_trim = ' Five spaces are at the beginning of this string. ' SELECT 'Here is the string without the leading spaces: ' + LTRIM(@string_to_trim) GO 下面是结果集: --- Here is the string...
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Applies to: SQL Server 2022 (16.x) and later versions, Azure SQL Managed Instance, and Microsoft Fabric: The optional first argument specifies which side of the string to trim: LEADING removes characters specified from the start of a string. TRAILING removes characters specified from the end of...
TRIMRemoves leading and trailing spaces (or other specified characters) from a string UNICODEReturns the Unicode value for the first character of the input expression UPPERConverts a string to upper-case SQL Server Math/Numeric Functions SQL Server Date Functions ...
create function [dbo].[String_Trim](@S nvarchar(max)) Returns nvarchar(max) Begin /*This function removes all double spaces as well as leading/trailing spaces from a string*/ Return ltrim(rtrim(replace(replace(replace(@S,' ','†‡'),'‡†',''),'†‡',' '))) End A ...
This example removes leading and trailing spaces from the result of concatenating the FirstName and LastName columns. The empty string between FirstName and LastName is not removed.Ikkopja TRIM(FirstName + " "+ LastName) See AlsoLTRIM (SSIS Expression) RTRIM (SSIS Expression) Functions (SSIS...
Table 4-7 Character types Name Description Length Storage Space CHAR(n) CHARACTER(n) NCHAR(n) Fixed-length character string. If the length is not reached, fill in spaces. n indicates the string length. If it is not specified, the default precision 1 is used. The value of n is less ...
删除SQL中空格后的字符是通过使用TRIM函数来实现的。TRIM函数用于删除字符串开头和结尾的空格或指定的字符。 在SQL中,可以使用以下语法来删除空格后的字符: 代码语言:txt 复制 SELECT TRIM(column_name) FROM table_name; 其中,column_name是要删除空格的列名,table_name是包含该列的表名。 TRIM函数可以删除字符串...
TRIM函数可以有以下几种形式: TRIM(expression):去除expression字符串的首尾空格。 TRIM(leading expression):去除expression字符串的首部空格。 TRIM(trailing expression):去除expression字符串的尾部空格。 TRIM(both expression):去除expression字符串的首尾指定字符。 TRIM(leading expression from string):去除string字符串...