diff --git a/pglab/util/PgLabItemDelegate.cpp b/pglab/util/PgLabItemDelegate.cpp
index ae9e23c..db958c5 100644
--- a/pglab/util/PgLabItemDelegate.cpp
+++ b/pglab/util/PgLabItemDelegate.cpp
@@ -135,7 +135,7 @@ void PgLabItemDelegate::initStyleOption(QStyleOptionViewItem *option,
                     suffix = "B";
                     forground_color = QColorConstants::Svg::darkblue;
                 }
-                option->text = QString{ "%1 %2" }.arg(val, 3, 'g', -1 ).arg(suffix)   ;
+                option->text = QString{ "%1 %2" }.arg(val, 0, 'g', 3).arg(suffix)   ;
             }
             else {
                 auto str = value.toString();
diff --git a/pglab/util/PgLabTableViewHelper.h b/pglab/util/PgLabTableViewHelper.h
index 8d1b86d..e8c2363 100644
--- a/pglab/util/PgLabTableViewHelper.h
+++ b/pglab/util/PgLabTableViewHelper.h
@@ -3,6 +3,7 @@
 #include <QTableWidget>
 #include <QTreeView>
 #include <QSortFilterProxyModel>
+#include "util/PgLabItemDelegate.h"
 #include "util/PgLabTableView.h"
 #include <optional>
 
@@ -19,7 +20,17 @@ inline void ResizeColumnsToContent<QTreeView>(QTreeView *)
 {
 }
 
+template <typename ViewType>
+void InitView(ViewType *vt)
+{}
 
+template <>
+inline void InitView<QTreeView>(QTreeView *tv)
+{
+    tv->setAlternatingRowColors(true);
+    tv->setItemDelegate(new PgLabItemDelegate(tv));
+    tv->setWordWrap(false);
+}
 
 
 template <typename TableModel, typename ViewType = PgLabTableView>
@@ -28,13 +39,13 @@ public:
 
     PgLabTableViewHelper(QWidget * parent, TableModel *tableModel)
     {
-        m_tableView = new ViewType(parent);
-
+        m_itemView = new ViewType(parent);
+        InitView(m_itemView);
         m_dataModel = tableModel;
         m_sortFilter = new QSortFilterProxyModel(parent);
         m_sortFilter->setSourceModel(m_dataModel);
-        m_tableView->setModel(m_sortFilter);
-        m_tableView->setSortingEnabled(true);
+        m_itemView->setModel(m_sortFilter);
+        m_itemView->setSortingEnabled(true);
         m_sortFilter->sort(0, Qt::AscendingOrder);
     }
 
@@ -44,7 +55,7 @@ public:
 
     ViewType *itemView() const
     {
-        return m_tableView;
+        return m_itemView;
     }
 
     TableModel *dataModel() const
@@ -60,12 +71,12 @@ public:
     void setCatalog(std::shared_ptr<PgDatabaseCatalog> cat)
     {
         m_dataModel->setCatalog(cat);
-        ResizeColumnsToContent(m_tableView);
+        ResizeColumnsToContent(m_itemView);
     }
 
     QModelIndex currentSourceIndex() const
     {
-        QModelIndex index = m_tableView->selectionModel()->currentIndex();
+        QModelIndex index = m_itemView->selectionModel()->currentIndex();
         if (!index.isValid())
             return index;
 
@@ -99,7 +110,7 @@ public:
 
 
 private:
-    ViewType *m_tableView = nullptr;
+    ViewType *m_itemView = nullptr;
     TableModel *m_dataModel = nullptr;
     QSortFilterProxyModel *m_sortFilter = nullptr;
 };