The Rtrim function removes characters from the right-hand side of an expression.
Rtrim syntax
RTRIM( expression, [ trim_expression ] )
Rtrim example
select rtrim('example ') from dual; Result: example select rtrim('000function000', '0') from dual; Result: 000function select rtrim('PHP123', '123') from dual; Result: PHP select rtrim('123PHP123123', '123') from dual; Result: 123PHP select rtrim('TestxyzXYZ', 'XYZ') from dual; Result: Testxyz select rtrim('Testabcccbaabc', 'cba') from dual; Result: Test select rtrim('Java12345', '0123456789') from dual; Result: Java