diff --git a/README.md b/README.md
index 3debafe..e616bae 100644
--- a/README.md
+++ b/README.md
@@ -112,6 +112,7 @@ If you want to add connections, you need to edit your config file. For more info
 | <kbd>Ctrl</kbd> + <kbd>u</kbd>, <kbd>Ctrl</kbd> + <kbd>d</kbd> | Scroll up/down multiple lines |
 | <kbd>g</kbd> , <kbd>G</kbd> | Scroll to top/bottom |
 | <kbd>H</kbd>, <kbd>J</kbd>, <kbd>K</kbd>, <kbd>L</kbd> | Extend selection by one cell left/down/up/right |
+| <kbd>V</kbd> | Extend selection by horizontal line |
 | <kbd>y</kbd> | Copy a cell value |
 | <kbd>←</kbd>, <kbd>→</kbd> | Move focus to left/right |
 | <kbd>c</kbd> | Move focus to connections |
diff --git a/src/components/command.rs b/src/components/command.rs
index e569309..1584c0b 100644
--- a/src/components/command.rs
+++ b/src/components/command.rs
@@ -96,6 +96,16 @@ pub fn extend_selection_by_one_cell(key: &KeyConfig) -> CommandText {
     )
 }
 
+pub fn extend_selection_by_line(key: &KeyConfig) -> CommandText {
+    CommandText::new(
+        format!(
+            "Extend selection by horizontal line [{}]",
+            key.extend_selection_by_horizontal_line,
+        ),
+        CMD_GROUP_TABLE,
+    )
+}
+
 pub fn extend_or_shorten_widget_width(key: &KeyConfig) -> CommandText {
     CommandText::new(
         format!(
diff --git a/src/components/table.rs b/src/components/table.rs
index 0c5da62..dbea5dc 100644
--- a/src/components/table.rs
+++ b/src/components/table.rs
@@ -200,6 +200,21 @@ impl TableComponent {
         }
     }
 
+    fn expand_selected_by_horizontal_line(&mut self) {
+        let horizontal_length = self.headers.len().saturating_sub(1);
+        let vertical_length = self.selected_row.selected().unwrap_or(0);
+
+        if let Some((x, y)) = self.selection_area_corner {
+            if x == horizontal_length {
+                self.selection_area_corner = None;
+            } else {
+                self.selection_area_corner = Some((horizontal_length, y));
+            }
+        } else {
+            self.selection_area_corner = Some((horizontal_length, vertical_length));
+        }
+    }
+
     pub fn selected_cells(&self) -> Option<String> {
         if let Some((x, y)) = self.selection_area_corner {
             let selected_row_index = self.selected_row.selected()?;
@@ -522,6 +537,9 @@ impl Component for TableComponent {
         out.push(CommandInfo::new(command::extend_selection_by_one_cell(
             &self.key_config,
         )));
+        out.push(CommandInfo::new(command::extend_selection_by_line(
+            &self.key_config,
+        )));
     }
 
     fn event(&mut self, key: Key) -> Result<EventState> {
@@ -561,6 +579,9 @@ impl Component for TableComponent {
         } else if key == self.key_config.extend_selection_by_one_cell_right {
             self.expand_selected_area_x(true);
             return Ok(EventState::Consumed);
+        } else if key == self.key_config.extend_selection_by_horizontal_line {
+            self.expand_selected_by_horizontal_line();
+            return Ok(EventState::Consumed);
         }
         Ok(EventState::NotConsumed)
     }
@@ -686,6 +707,32 @@ mod test {
         assert_eq!(component.selected_cells(), Some("b\ne".to_string()));
     }
 
+    #[test]
+    fn test_expand_selected_by_horizontal_line() {
+        let mut component = TableComponent::new(KeyConfig::default());
+        component.headers = vec!["a", "b", "c"].iter().map(|h| h.to_string()).collect();
+        component.rows = vec![
+            vec!["d", "e", "f"].iter().map(|h| h.to_string()).collect(),
+            vec!["g", "h", "i"].iter().map(|h| h.to_string()).collect(),
+        ];
+
+        // select one line
+        component.selected_row.select(Some(0));
+        component.expand_selected_by_horizontal_line();
+        assert_eq!(component.selection_area_corner, Some((2, 0)));
+        assert_eq!(component.selected_cells(), Some("d,e,f".to_string()));
+
+        // undo select horizontal line
+        component.expand_selected_by_horizontal_line();
+        assert_eq!(component.selection_area_corner, None);
+
+        // select two line
+        component.expand_selected_area_y(true);
+        component.expand_selected_by_horizontal_line();
+        assert_eq!(component.selection_area_corner, Some((2, 1)));
+        assert_eq!(component.selected_cells(), Some("d,e,f\ng,h,i".to_string()));
+    }
+
     #[test]
     fn test_is_number_column() {
         let mut component = TableComponent::new(KeyConfig::default());
diff --git a/src/config.rs b/src/config.rs
index 3d41831..5e98bf3 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -105,6 +105,7 @@ pub struct KeyConfig {
     pub extend_selection_by_one_cell_right: Key,
     pub extend_selection_by_one_cell_up: Key,
     pub extend_selection_by_one_cell_down: Key,
+    pub extend_selection_by_horizontal_line: Key,
     pub tab_records: Key,
     pub tab_columns: Key,
     pub tab_constraints: Key,
@@ -144,6 +145,7 @@ impl Default for KeyConfig {
             extend_selection_by_one_cell_right: Key::Char('L'),
             extend_selection_by_one_cell_down: Key::Char('J'),
             extend_selection_by_one_cell_up: Key::Char('K'),
+            extend_selection_by_horizontal_line: Key::Char('V'),
             tab_records: Key::Char('1'),
             tab_properties: Key::Char('2'),
             tab_sql_editor: Key::Char('3'),