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...
功能:返回删除从右边算起出现在string1中出现的字符string2. string2被缺省设置为单个的空格.数据库将扫描string1,从右边开始.当遇到不在string2中的第一个字符,结果就被返回了RTRIM的行为方式与LTRIM很相似. 使用位置:过程性语句和SQL语句。 SOUNDEX 语法: SOUNDEX(string) 功能:返回string的声音表示形式.这对于比...
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.If you do not specify triming_text, then it defaults to a single blank. If a string is a ...
RTRIM(X[,TRIM_STR]) 把X的右边截去trim_str字符串,缺省截去空格 TRIM([TRIM_STR FROM]X) 把X的两边截去trim_str字符串,缺省截去空格 REPLACE(X,old,new) 在X中查找old,并替换成new SUBSTR(X,start[,length]) 返回X的字串,从start处开始,截取length个字符,缺省length,默认到结尾 一些其它的字符函数...
RTRIM(trim_source,[set])Code language:SQL (Structured Query Language)(sql) Arguments TheRTRIM()function accepts two arguments: 1)trim_source is the string which the characters that appear in the set will be removed. 2)set is one or more characters that should be removed from the right end...
使用LTrime和RTrim过滤一边的空格 SELECT LTRIM(' A B C ') L ,RTRIM(' HELLO WORLD ') R,TRIM(' HELLO WORLD ') FROM DUAL; SQL> SELECT LTRIM(' A B C ') L ,RTRIM(' HELLO WORLD ') R,TRIM(' HELLO WORLD ') FROM DUAL; L R TRIM('HELLOWOR ...
不想用默认的逗号分隔,可以用SQL: ps:下面sql是替换默认的逗号,用’|'符号 代码语言:javascript 代码运行次数:0 运行 AI代码解释 selectreplace(vm_concat(a),',''|')fromAgroup by id oracle11用vm_concat导致查询缓慢 ps:在oracle11使用会导致查询缓慢,是因为查询出来的都是clob大字段,可以用SQL,用to_cha...
语法: RTRIM(string1,[,string2]) 功能:返回删除从右边算起出现在string1中出现的字符string2. string2被缺省设置为单个的空格.数据库将扫描string1,从右边开始.当遇到不在string2中的第一个字符,结果就被返回了RTRIM的行为方式与LTRIM很相似. 使用位置:过程性语句和SQL语句。
Oracle RTRIM Function With Examples SOUNDEX Returns a string containing a phonetic representation of the provided value. SOUNDEX (string ) Oracle SOUNDEX Function With Examples SUBSTR Returns a part of the provided value, based on the provided position and length. SUBSTR (string, start_position, [...
1、说明:创建数据库 CREATE DATABASE database-name 2、说明:删除数据库 drop database dbname 3、说明:备份sql server --- 创建 备份数据的 device USE master EXEC sp_addumpdevice &#… 风来啦 mysql sql语句大全 1、说明:创建数据库 CREATE DATABASE database-name 2、说明:删除数据库 drop database db...