在Oracle中,你可以使用内置的RTRIM函数来移除字符串末尾的特定字符 CREATE OR REPLACE FUNCTION custom_rtrim ( p_string IN VARCHAR2, p_trim_char IN VARCHAR2 ) RETURN VARCHAR2 IS v_result VARCHAR2(4000); BEGIN IF p_string IS NULL THEN RETURN NULL; END IF; v_result := p_string; WHILE RIGHT...
This Oracle tutorial explains how to use the Oracle/PLSQLRTRIM functionwith syntax and examples. Description The Oracle/PLSQL RTRIM function removes all specified characters from the right-hand side of a string. Syntax The syntax for the RTRIM function in Oracle/PLSQL is: RTRIM( string1 [, t...
Oracle RTRIM function : The Oracle RTRIM function is used to remove spaces( if no character(s) is provided as trimming_text ) or set of characters which are matching with the trimming_text, from the end of a string.
C inOracle Database Globalization Support Guidefor the collation determination rules, which define the collationRTRIMuses to compare characters fromsetwith characters fromchar, and for the collation derivation rules, which define the collation assigned to the character return value of this function ...
由上述可以看出Oracle的LTrim的功能应该更强大一些,能够对前导符进行操作。 2、RTRIM的功用和LTRIM相同,但是RTRIM修改成了从右向左的,这样子就是去掉后导符中的特定字符。 3、TRIM的功能如下描述: In Oracle/PLSQL, the trim function removes all specified characters either from the beginning or the ending of...
LTRIM（x,y）的英文解释是这样的：LTRIM removes from the left end of char all of the characters contained in set. If you do not specify set, then it defaults to a single blank. If char is a character literal, then you must enclose it in single quotation marks. Oracle Database begins ...
由上述可以看出Oracle的LTrim的功能应该更强⼤⼀些，能够对前导符进⾏操作。2、RTRIM的功⽤和LTRIM相同，但是RTRIM修改成了从右向左的，这样⼦就是去掉后导符中的特定字符。3、TRIM的功能如下描述：In Oracle/PLSQL, the trim function removes all specified characters either from the beginning or the ...
OracleRTRIM()function removes all characters that appear in a specified set from the right end of a string. Syntax The following illustrates the syntax of the OracleRTRIM()function: RTRIM(trim_source,[set])Code language:SQL (Structured Query Language)(sql) ...
lower Function trim Function ltrim Function rtrim Function length Function contains Function starts_with Function ends_with Function index_of Function replace Function reverse Function Function to Convert String to JSON Functions of Mathematical Operations A Introduction to the SQL for Oracle NoSQL Databas...
dual是个虚拟表。这个是oracle的用法。如果是mysql，则不用使用 from dual; 直接SELECT RTRIM('Mississippi','ip') test1,RTRIM('Rpadded ') test2 ,RTRIM('Mississippi','sip') test3 就可以。直接进入mysql的命令行（cmd窗口）就可以运行 去掉...