Here is my table :
| NAME | Operator |
| name1 | operator1 |
| name2 | operator1 |
| name3 | operator2 |
| name4 | operator2 |
| name5 | operator2 |
and this is my static select optgroup, i set it manually :
<select>
<optgroup label="Operator1">
<option value="volvo">Name1</option>
<option value="saab">Name2</option>
</optgroup>
<optgroup label="Operator2">
<option value="mercedes">Name3</option>
<option value="audi">Name4</option>
<option value="audi">Name5</option>
</optgroup>
</select>
My question is, how to make it dynamically and get the data from my database?