<p>Firstly, open a shapefile that has an attribute table.</p>
<p>To delete the third column of the table use this code:</p>
<pre><code>layer = iface.activeLayer()
layer.startEditing()
layer.deleteAttribute(2)
layer.commitChanges()
</code></pre>

Firstly, open a shapefile that has an attribute table.

To delete the third column of the table use this code:

```
layer = iface.activeLayer()
layer.startEditing()
layer.deleteAttribute(2)
layer.commitChanges()
```

19- Delete a column of vector layer attribute

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