# **RTRIM()**

## **Function Description**

RTRIM() removes the space behind the input string and returns the processed characters.

## **Function Syntax**

```text
> RTRIM(char)
```

## **Parameter definition**

| Parameters | Description |
| ---- | ---- |
| char | Required parameters, both CHAR and VARCHAR are available |

## **Example**

```text
> drop table if exists t1;
> create table t1(a char(8),b varchar(10));
> insert into t1 values('matrix ','matrixone ');
> select rtrim(a),rtrim(b) from t1;

+--------------------------+
| rtrim(a) | rtrim(b) |
+--------------------------+
| matrix | matrixone |
+--------------------------+
```