## Syntax
```mermaid
%%{init: {
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'themeVariables': {
'fontSize': '11px',
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flowchart LR
Start((START)) --> RTRIM[RTRIM]:::quoted
RTRIM --> End((END))
```
## Purpose
The `RTRIM` SQL function trims characters from the right side of a text.
See also [[LTRIM]] and [[TRIM]].
Parameters:
- Input (`varchar2`): the text from which to trim characters from the right side.
- Characters to trim (optional, `varchar2`): the character to trim. Defaults to a space (`' '`).
Returns: A text with characters trimmed from the right.
## Examples
The following example trims the trailing space from `abcd `:
```sql
select rtrim('abcd ')
-------------------
abcd
```
The following example trims all characters `c`, `d` and `b` from the right side of `abcd`:
```sql
select rtrim('abcd', 'cdb')
-------------------
a
```
The following example trims all digits from the right side of `abcd1029384756`:
```sql
select rtrim('abcd1029384756', '0123456789')
-------------------
abcd
```