diff --git a/Core/Models/TagDatabase/TagDatabase.ReadMethods.cs b/Core/Models/TagDatabase/TagDatabase.ReadMethods.cs
index ba54b78..aff36c3 100644
--- a/Core/Models/TagDatabase/TagDatabase.ReadMethods.cs
+++ b/Core/Models/TagDatabase/TagDatabase.ReadMethods.cs
@@ -73,6 +73,16 @@ public partial class TagDatabase
         return tags;
     }
 
+    public int GetTagRelationshipCount()
+    {
+        this.CheckInitialisation();
+        SqliteCommand command = this.currentConnection.CreateCommand();
+        command.CommandText = "SELECT COUNT(*) FROM tag_parent_link";
+        
+        int count = Convert.ToInt32(command.ExecuteScalar());
+        return count;
+    }
+
     /// <summary>
     ///     Selects one specific tag by its exact name.
     /// </summary>
diff --git a/UI/Assets/Resources.resx b/UI/Assets/Resources.resx
index 75844af..e997b12 100644
--- a/UI/Assets/Resources.resx
+++ b/UI/Assets/Resources.resx
@@ -185,4 +185,7 @@
     <data name="StatusBlockExportSuccessful" xml:space="preserve">
         <value>Database successfully exported at {0}</value>
     </data>
+    <data name="DatabaseSettingsTagCount" xml:space="preserve">
+        <value>Tags: {0}, with {1} parent-child relationships</value>
+    </data>
 </root>
\ No newline at end of file
diff --git a/UI/ViewModels/DatabaseSettingsViewModel.cs b/UI/ViewModels/DatabaseSettingsViewModel.cs
new file mode 100644
index 0000000..5dabc22
--- /dev/null
+++ b/UI/ViewModels/DatabaseSettingsViewModel.cs
@@ -0,0 +1,33 @@
+using System;
+using System.Linq;
+using CommunityToolkit.Mvvm.ComponentModel;
+
+namespace TagHierarchyManager.UI.ViewModels;
+
+public partial class DatabaseSettingsViewModel : ViewModelBase
+{
+    public DatabaseSettingsViewModel(MainWindowViewModel mainWindow)
+    {
+        this.MainWindow = mainWindow;
+        
+        this.WindowTitle = mainWindow.Database!.Name;
+        this.DatabaseVersion = string.Format(Assets.Resources.DatabaseSettingsDbVersion, mainWindow.Database!.Version);
+        var tagRelationshipCount = mainWindow.Database!.GetTagRelationshipCount();
+        this.TagRowsCount = string.Format(Assets.Resources.DatabaseSettingsTagCount,
+            mainWindow.Database!.Tags.Count, tagRelationshipCount);
+        this.DefaultTagBindings = string.Join("; ", mainWindow.Database!.DefaultTagBindings);
+    }
+    
+    private MainWindowViewModel MainWindow { get; }
+
+    [ObservableProperty] private string _windowTitle;
+    [ObservableProperty] private string _databaseVersion;
+    [ObservableProperty] private string _tagRowsCount;
+    [ObservableProperty] private string _defaultTagBindings;
+    
+    public void SaveSettings()
+    {
+        this.MainWindow.Database!.DefaultTagBindings = this.DefaultTagBindings.Split(";", 
+            StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries).ToList();
+    }
+}
\ No newline at end of file
diff --git a/UI/ViewModels/MainWindowViewModel.cs b/UI/ViewModels/MainWindowViewModel.cs
index 5a1f8b8..50b3a83 100644
--- a/UI/ViewModels/MainWindowViewModel.cs
+++ b/UI/ViewModels/MainWindowViewModel.cs
@@ -18,7 +18,6 @@ namespace TagHierarchyManager.UI.ViewModels;
 
 public partial class MainWindowViewModel : ViewModelBase
 {
-    // TODO consider moving editor-related functionality to a separate ViewModel.
     internal TagDatabase? Database;
 
     [ObservableProperty] private HierarchyTreeViewModel? _hierarchyTreeViewModel;
@@ -159,6 +158,19 @@ public partial class MainWindowViewModel : ViewModelBase
             this.ShowErrorDialog(ex.Message);
         }
     }
+    
+    public void ShowDatabaseSettings()
+    {
+        if (Application.Current?.ApplicationLifetime is not IClassicDesktopStyleApplicationLifetime desktop)
+            return;
+
+        var dialog = new DatabaseSettingsWindow
+        {
+            DataContext = new DatabaseSettingsViewModel(this)
+        };
+        
+        dialog.ShowDialog(desktop.MainWindow!);
+    }
 
     public void ShowErrorDialog(string message)
     {
@@ -294,6 +306,7 @@ public partial class MainWindowViewModel : ViewModelBase
     private void TagDatabase_TagAdded(object? sender, Tag _)
     {
         this.OnPropertyChanged(nameof(this.TotalTags));
+        this.SelectedTag!.SyncId();
     }
 
     private void TagDatabase_TagDeleted(object? sender, (int id, string name) _)
diff --git a/UI/ViewModels/SearchViewModel.cs b/UI/ViewModels/SearchViewModel.cs
index 981d172..8e9fa96 100644
--- a/UI/ViewModels/SearchViewModel.cs
+++ b/UI/ViewModels/SearchViewModel.cs
@@ -29,12 +29,10 @@ public partial class SearchViewModel : ViewModelBase, IDisposable
         var results = searchAliases
             ? this.mainWindow.Database.SearchWithAliases(searchQuery, mode)
             : this.mainWindow.Database.Search(searchQuery, mode);
-
-        string statusBlockString = string.Empty;
+        
         this.SearchResults.Clear();
         if (results.Count == 0)
         {
-            // todo resx
             this.mainWindow.StatusBlockText = Assets.Resources.SearchNoResultsFound;
             return;
         }
diff --git a/UI/ViewModels/TagItemViewModel.cs b/UI/ViewModels/TagItemViewModel.cs
index 7f3d85e..19a2ef5 100644
--- a/UI/ViewModels/TagItemViewModel.cs
+++ b/UI/ViewModels/TagItemViewModel.cs
@@ -45,10 +45,12 @@ public partial class TagItemViewModel(Tag tag, Func<int, string?>? getNameById =
             ? string.Join("; ", this.Tag.TagBindings)
             : string.Empty;
 
+    public bool OnDatabase => this.Id != 0;
+    
     internal Tag Tag { get; } = tag;
 
     private bool IsTopLevel => this.Tag.IsTopLevel;
-
+    
     private string Parents => getNameById != null && this.Tag.ParentIds.Count > 0
         ? string.Join("; ", this.Tag.ParentIds.Select(getNameById).Where(n => n != null))
         : string.Empty;
@@ -126,6 +128,12 @@ public partial class TagItemViewModel(Tag tag, Func<int, string?>? getNameById =
             }
     }
 
+    public void SyncId()
+    {
+        OnPropertyChanged(nameof(Id));
+        OnPropertyChanged(nameof(OnDatabase));
+    }
+
     protected override void OnPropertyChanged(PropertyChangedEventArgs e)
     {
         base.OnPropertyChanged(e);
diff --git a/UI/Views/DatabaseSettingsWindow.axaml b/UI/Views/DatabaseSettingsWindow.axaml
index 1bd517b..a32e465 100644
--- a/UI/Views/DatabaseSettingsWindow.axaml
+++ b/UI/Views/DatabaseSettingsWindow.axaml
@@ -3,19 +3,27 @@
         xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
         xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
         xmlns:assets="clr-namespace:TagHierarchyManager.UI.Assets"
-        mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="160"
-        Width="500" Height="160"
+        xmlns:vm="clr-namespace:TagHierarchyManager.UI.ViewModels"
+        mc:Ignorable="d" d:DesignWidth="500" d:DesignHeight="180"
+        Width="500" Height="200"
         x:Class="TagHierarchyManager.UI.Views.DatabaseSettingsWindow"
+        x:DataType="vm:DatabaseSettingsViewModel"
         WindowStartupLocation="CenterOwner"
-        ShowInTaskbar="False"
-        Title="Settings - {0}">
+        ShowInTaskbar="False" CanResize="False"
+        Title="{Binding WindowTitle}">
     <StackPanel Margin="5">
-        <TextBlock Margin="0 0 0 25" Text="{x:Static assets:Resources.DatabaseSettingsDbVersion}" />
+        <TextBlock Margin="0 0 0 0" Text="{Binding DatabaseVersion}" />
+        <TextBlock Margin="0 0 0 25" Text="{Binding TagRowsCount}" />
+
         <TextBlock Text="{x:Static assets:Resources.DatabaseSettingsDefaultTagBindings}" />
-        <TextBox Name="DefaultTagBindingTextBox" Watermark="{x:Static assets:Resources.WatermarkTagBindings}" />
+        <TextBox Name="DefaultTagBindingTextBox"
+                 Text="{Binding DefaultTagBindings}"
+                 Watermark="{x:Static assets:Resources.WatermarkTagBindings}" />
         <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" Margin="0 25 0 0 ">
-            <Button Margin="0 0 5 0" Content="{x:Static assets:Resources.ButtonCancel}" />
-            <Button Content="{x:Static assets:Resources.ButtonOk}" />
+            <Button Margin="0 0 5 0"
+                    Content="{x:Static assets:Resources.ButtonCancel}"
+                    Click="ButtonCancel_Click"/>
+            <Button Content="{x:Static assets:Resources.ButtonOk}" Click="ButtonOk_Click"/>
         </StackPanel>
     </StackPanel>
 </Window>
\ No newline at end of file
diff --git a/UI/Views/DatabaseSettingsWindow.axaml.cs b/UI/Views/DatabaseSettingsWindow.axaml.cs
index 6f073b7..1f33954 100644
--- a/UI/Views/DatabaseSettingsWindow.axaml.cs
+++ b/UI/Views/DatabaseSettingsWindow.axaml.cs
@@ -1,4 +1,6 @@
 using Avalonia.Controls;
+using Avalonia.Interactivity;
+using TagHierarchyManager.UI.ViewModels;
 
 namespace TagHierarchyManager.UI.Views;
 
@@ -8,4 +10,14 @@ public partial class DatabaseSettingsWindow : Window
     {
         this.InitializeComponent();
     }
+    
+    private DatabaseSettingsViewModel? ViewModel => this.DataContext as DatabaseSettingsViewModel;
+    
+    public void ButtonCancel_Click(object? sender, RoutedEventArgs e) => this.Close();
+    
+    public void ButtonOk_Click(object? sender, RoutedEventArgs e)
+    {
+        this.ViewModel!.SaveSettings();
+        this.Close();
+    }
 }
\ No newline at end of file
diff --git a/UI/Views/MainWindow.axaml b/UI/Views/MainWindow.axaml
index 35e1b9c..97cf7a1 100644
--- a/UI/Views/MainWindow.axaml
+++ b/UI/Views/MainWindow.axaml
@@ -12,14 +12,7 @@
     <!--
     TODO:
     - Import
-    - Database settings
-    - Error
     -->
-    <Window.Styles>
-        <Style Selector="Button.delete[Tag=0]">
-            <Setter Property="IsEnabled" Value="False" />
-        </Style>
-    </Window.Styles>
     <DockPanel Name="Top">
         <Menu DockPanel.Dock="Top">
             <MenuItem Header="{x:Static assets:Resources.MenuFile}">
@@ -29,14 +22,18 @@
                 <MenuItem Name="MenuItemOpen" Header="{x:Static assets:Resources.MenuItemOpen}"
                           Click="MenuItemOpen_Click" />
                 <Separator />
-                <MenuItem IsEnabled="{Binding IsDbEnabled}" Header="{x:Static assets:Resources.MenuItemExport}" Click="MenuItemExport_Click" />
+                <MenuItem IsEnabled="{Binding IsDbEnabled}"
+                          Header="{x:Static assets:Resources.MenuItemExport}" Click="MenuItemExport_Click" />
                 <MenuItem Header="{x:Static assets:Resources.MenuItemQuit}" Click="MenuItemQuit_Click" />
             </MenuItem>
-            <MenuItem IsEnabled="{Binding IsDbEnabled}" Header="{x:Static assets:Resources.MenuDatabase}">
-                <MenuItem Header="{x:Static assets:Resources.MenuItemDatabaseSettings}" />
+            <MenuItem IsEnabled="{Binding IsDbEnabled}"
+                      Header="{x:Static assets:Resources.MenuDatabase}">
+                <MenuItem Header="{x:Static assets:Resources.MenuItemDatabaseSettings}"
+                          Click="MenuItemDatabaseSettings_Click" />
                 <Separator />
                 <MenuItem IsEnabled="False"
-                          Header="{Binding TotalTags, StringFormat={x:Static assets:Resources.MenuItemTotalTags}}" />
+                          Header="{Binding TotalTags,
+                          StringFormat={x:Static assets:Resources.MenuItemTotalTags}}" />
             </MenuItem>
             <MenuItem Header="{x:Static assets:Resources.MenuHelp}">
                 <MenuItem Header="_About" Click="OpenAboutWindow" />
@@ -121,7 +118,8 @@
                 <Grid Grid.Row="5" ColumnDefinitions="*, Auto, Auto, Auto" Margin="3">
                     <CheckBox Grid.Column="0" IsChecked="{Binding SelectedTag.EditingIsTopLevel}"
                               Name="TopLevelCheckBox" Content="{x:Static assets:Resources.CheckBoxTopLevel}" />
-                    <Button Grid.Column="1" Classes="delete" Tag="{Binding SelectedTag.Id}" Margin="0 0 5 0"
+                    <Button Grid.Column="1" IsEnabled="{Binding SelectedTag.OnDatabase}"
+                            Margin="0 0 5 0"
                             Content="{x:Static assets:Resources.ButtonDelete}" Click="ButtonDelete_Click" />
                     <Button Grid.Column="2" Margin="0 0 5 0" Content="{x:Static assets:Resources.ButtonCancel}"
                             Click="ButtonCancel_Click" />
diff --git a/UI/Views/MainWindow.axaml.cs b/UI/Views/MainWindow.axaml.cs
index 2b31737..55fb675 100644
--- a/UI/Views/MainWindow.axaml.cs
+++ b/UI/Views/MainWindow.axaml.cs
@@ -55,6 +55,11 @@ public partial class MainWindow : Window
             (TagDatabaseSearchMode)this.SearchModeComboBox.SelectedIndex,
             this.SearchAliasesCheckBox.IsChecked ?? false);
     }
+    
+    public void MenuItemDatabaseSettings_Click(object? sender, RoutedEventArgs e)
+    {
+        this.ViewModel.ShowDatabaseSettings();
+    }
 
     public async void MenuItemExport_Click(object? sender, RoutedEventArgs e)
     {
@@ -114,7 +119,6 @@ public partial class MainWindow : Window
         if (e.Key != Key.Enter) return;
         this.ButtonSearch_Click(sender, e);
         e.Handled = true;
-
     }
 
     public async void WindowClosing(object? sender, WindowClosingEventArgs e)