## Syntax
```mermaid
%%{init: {
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'themeVariables': {
'fontSize': '11px',
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flowchart LR
Start((START)) --> REVERSE[REVERSE]:::quoted
REVERSE --> End((END))
```
## Purpose
The `REVERSE` SQL function flips the input around.
Parameters:
- Input (`varchar2`): text to flip around.
Returns: the text with its characters in reversed order.
## Examples
The following example reverses the text `abc`:
```sql
select reverse('abc')
-------------------
cba
```
The following example reverses a reversed text, returning the original input:
```sql
select reverse(reverse('abc'))
-------------------
abc
```