SQL
Text Functions and Operators
<div class="nostroke_table"></div>  
|   |   |
|:--|:--------|
| **Description** |Returns the Unicode code of the first character of the `string`. Returns `-1` when `string` is empty, and `NULL` when `string` is `NULL`. |
| **Example** | `[unicode('âbcd'), unicode('â'), unicode(''), unicode(NULL)]` |
| **Result** | `[226, 226, -1, NULL]` |