https://www.w3schools.com/sql/func_mysql_rtrim.asp
MySQL RTRIM() Function
Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML...
mysqlfunction
https://docs.aws.amazon.com/quick/latest/userguide/rtrim-function.html
Rtrim - Amazon Quick
Use the rtrim function for calculated fields in Amazon Quick.
amazonquick
https://www.mongodb.com/es/docs/v4.4/reference/operator/aggregation/rtrim/
$rtrim (aggregation) - MongoDB Manual v4.4 - MongoDB Docs
aggregationmongodbmanualdocs
https://docs.oracle.com/en/database/oracle/oracle-database/18/sqlrf/RTRIM.html
RTRIM
https://www.php.net/manual/en/function.mb-rtrim.php
PHP: mb_rtrim - Manual
Strip whitespace (or other characters) from the end of a string
phpmbmanual
https://www.cbs.nl/en-gb/background/2018/49/models-and-statistical-methods-in-rtrim
Models and statistical methods in rtrim | CBS
This report describes, in some detail, the statistical methods and models implemented in the r-package rtrim.
statistical methodsmodelscbs
https://neon.com/postgresql/string-functions/rtrim
PostgreSQL RTRIM() Function
In this tutorial, you will learn how to use the PostgreSQL RTRIM() function to remove specified characters from the end of a string.
postgresqlfunction