TRIM() 函数用于去除字符串两端的空格或指定字符。默认情况下,它去除的是空格。 语法:TRIM([LEADING | TRAILING | BOTH] [trim_character FROM] string) 示例: sql SELECT TRIM(' Hello World! ') AS trimmed_string FROM DUAL; 结果:Hello World! 使用LTRIM() 和RTRIM() 函数: LTRIM() 函数用于去除字...
SELECT RTRIM('Removes trailing spaces. ');下面是结果集:-Removes trailing spaces.B.将 RTRIM 用于变量以下示例显示如何使用 RTRIM 删除字符变量中的尾随空格。DECLARE string_to_trim varchar(60);SET string_to_trim = 'Four spaces are after the period in this sentence. 'SELECT 15、 string_to_trim ...
1、使用TRIM函数 Oracle提供了TRIM函数,可以用来消除字符串两端的空格,TRIM函数的语法如下: TRIM([LEADING | TRAILING | BOTH] [要消除的字符] FROM 字符串) LEADING表示消除字符串开头的空格,TRAILING表示消除字符串结尾的空格,BOTH表示同时消除字符串开头和结尾的空格,要消除的字符可以是单个字符,也可以是多个字符组...
Removes trailing spaces. B.将RTRIM用于变量 以下示例显示如何使用RTRIM删除字符变量中的尾随空格。 DECLARE @string_to_trim varchar(60); SET @string_to_trim = 'Four spaces are after the period in this sentence. '; SELECT @string_to_trim + ' Next string.'; SELECT RTRIM(@string_to_trim) + ...
trim_character is the character that will be removed from string1. If this parameter is omitted, the trim function will remove all leading and trailing spaces from string1. string1 is the string to trim. trim(' tech ') would return 'tech' ...
trim_characteris the character that will be removed fromstring1. If this parameter is omitted, thetrimfunction will remove all leading and trailing spaces fromstring1. string1is the string to trim. For example:
TRIM函数是Oracle中的一个内置函数,用于删除字符串两端的空格,要去除字符串中的空格,可以使用TRIM函数两次,一次删除左侧的空格,一次删除右侧的空格,以下是一个示例: SELECT TRIM(TRAILING ' ' FROM your_column) AS new_column FROM your_table; 在这个示例中,your_column是要处理的列名,your_table是表名,这个查...
trim_characteris the character that will be removed fromstring1. If this parameter is omitted, thetrimfunction will remove all leading and trailing spaces fromstring1. string1is the string to trim. For example:
LRTRIM , LTRIM , and RTRIM are used to indicate that characters should be trimmed from the field. LRTRIM means that both leading and trailing spaces are trimmed. LTRIM means that leading spaces will...
TRIMSPACES| NOTRIMSPACES Controls whether trailing spaces are trimmedornotwhenmappingCHARtoVARCHARcolumns. WILDCARDRESOLVE Defines rulesforprocessing wildcardtablespecificationsinaTABLEstatement. (5)数据转发 Routing data EXTFILE Specifies an extractfiletowhich extracted dataiswrittenonthe local system.EXTTRAIL...