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supabase/apps/reference/_supabase_dart/single.mdx
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---
id: single
title: "single()"
slug: single
custom_edit_url: https://github.com/supabase/supabase/edit/master/web/spec/dart.yml
---
import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';
Retrieves only one row from the result. Result must be one row (e.g. using limit), otherwise this will result in an error.
<Tabs
defaultValue="dart"
groupId="reference/dart"
values={[{ label: 'Dart', value: 'dart' }]}>
<TabItem value="dart">
```dart
final res = await supabase
.from('cities')
.select('name, country_id')
.single()
.execute();
```
</TabItem>
</Tabs>
## Examples
### With `select()`
<Tabs
defaultValue="dart"
groupId="reference/dart"
values={[{ label: 'Dart', value: 'dart' }]}>
<TabItem value="dart">
```dart
final res = await supabase
.from('cities')
.select('name, country_id')
.single()
.execute();
```
</TabItem>
</Tabs>