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# ascii
## description
### Syntax

`INT ascii(VARCHAR str)`


返回字符串第一个字符对应的 ascii 码

## example

```
mysql> select ascii('1');
+------------+
| ascii('1') |
+------------+
|         49 |
+------------+

mysql> select ascii('234');
+--------------+
| ascii('234') |
+--------------+
|           50 |
+--------------+
```
##keyword
ASCII