diff --git a/pglab/CMakeLists.txt b/pglab/CMakeLists.txt
index ab4dda5..fb3d3f2 100644
--- a/pglab/CMakeLists.txt
+++ b/pglab/CMakeLists.txt
@@ -30,9 +30,9 @@ set(PGLAB_SOURCES
     codeeditor/GutterPainter.cpp
     crud/CrudModel.cpp
     crud/CrudTab.cpp
+    crud/DataGridWidget.cpp
     querytool/QueryExplainModel.cpp
     querytool/QueryParamListController.cpp
-    querytool/QueryResultModel.cpp
     querytool/QueryTool.cpp
     serverinspector/DatabasesPage.cpp
     serverinspector/RolesPage.cpp
diff --git a/pglab/crud/CrudModel.cpp b/pglab/crud/CrudModel.cpp
index 8a8ce00..a8bcae1 100644
--- a/pglab/crud/CrudModel.cpp
+++ b/pglab/crud/CrudModel.cpp
@@ -10,6 +10,7 @@
 #include "CustomDataRole.h"
 #include <QtConcurrent>
 #include <QFuture>
+#include <QBrush>
 #include <QMessageBox>
 #include "Pgsql_oids.h"
 #include "Pgsql_PgException.h"
@@ -217,6 +218,8 @@ QVariant CrudModel::data(const QModelIndex &index, int role) const
         if (value)
             return StringToVariant(value->c_str(), typ);
     }
+    else if (role == Qt::ForegroundRole && !m_wholeTable && columnIsReadOnly(index.column()))
+        return QBrush(Qt::gray);
 
     return {};
 }
diff --git a/pglab/crud/CrudTab.cpp b/pglab/crud/CrudTab.cpp
index a776879..88b0ac2 100644
--- a/pglab/crud/CrudTab.cpp
+++ b/pglab/crud/CrudTab.cpp
@@ -3,16 +3,19 @@
 #include "CrudModel.h"
 #include "CustomDataRole.h"
 #include "ResultTableModelUtil.h"
-#include "util/PgLabItemDelegate.h"
+#include "DataGridWidget.h"
 #include "IntegerRange.h"
 #include "OpenDatabase.h"
 #include "catalog/PgClassContainer.h"
 #include "catalog/PgDatabaseCatalog.h"
 #include <QDebug>
+#include <QHeaderView>
 #include <QMenu>
+#include <QSortFilterProxyModel>
 #include <QMessageBox>
 #include <iterator>
 #include <set>
+#include <QTableView>
 
 
 CrudTab::CrudTab(IDatabaseWindow *context, QWidget *parent)
@@ -24,25 +27,18 @@ CrudTab::CrudTab(IDatabaseWindow *context, QWidget *parent)
 
 	m_db = context->openDatabase();
 
-	SetTableViewDefault(ui->tableView);
-
-	auto delegate = new PgLabItemDelegate(ui->tableView);
-	ui->tableView->setItemDelegate(delegate);
-
     m_crudModel = new CrudModel(nullptr);
 
-    m_SortFilterProxy = new QSortFilterProxyModel(this);
-    m_SortFilterProxy->setSourceModel(m_crudModel);
-    m_SortFilterProxy->setSortRole(CustomSortRole);
-    ui->tableView->setModel(m_SortFilterProxy);
-    ui->tableView->setSortingEnabled(true);
-    m_SortFilterProxy->sort(0, Qt::AscendingOrder);
+	m_grid = new DataGridWidget(this);
+	ui->verticalLayout->addWidget(m_grid);
+	m_grid->setSourceModel(m_crudModel);
+	m_grid->view()->verticalHeader()->setVisible(false);
 
-	ui->tableView->setSelectionMode(QAbstractItemView::ExtendedSelection);
-	ui->tableView->setSelectionBehavior(QAbstractItemView::SelectRows);
-	ui->tableView->addAction(ui->actionRemove_rows);
+	m_grid->view()->setSelectionMode(QAbstractItemView::ExtendedSelection);
+	m_grid->view()->setSelectionBehavior(QAbstractItemView::SelectRows);
+	m_grid->view()->addAction(ui->actionRemove_rows);
 
-	auto horizontal_header = ui->tableView->horizontalHeader();
+	auto horizontal_header = m_grid->view()->horizontalHeader();
 	horizontal_header->setContextMenuPolicy(Qt::ContextMenuPolicy::CustomContextMenu);
 	connect(horizontal_header, &QHeaderView::customContextMenuRequested,
 			this, &CrudTab::headerCustomContextMenu);
@@ -70,7 +66,7 @@ void CrudTab::refresh()
 void CrudTab::on_actionRemove_rows_triggered()
 {
 	std::set<IntegerRange<int>> row_ranges;
-    auto selection = m_SortFilterProxy->mapSelectionToSource(ui->tableView->selectionModel()->selection());
+    auto selection = m_grid->proxy()->mapSelectionToSource(m_grid->view()->selectionModel()->selection());
     for (auto& range : selection) {
 		row_ranges.emplace(range.top(), range.height());
 	}
@@ -110,7 +106,7 @@ void CrudTab::headerCustomContextMenu(const QPoint &pos)
 
     if (headerContextMenu)
     {
-        auto horizontal_header = ui->tableView->horizontalHeader();
+        auto horizontal_header = m_grid->view()->horizontalHeader();
         headerContextMenu->popup(horizontal_header->mapToGlobal(pos));
     }
 }
@@ -122,9 +118,9 @@ void CrudTab::gotoColumn(QString column)
         auto name = m_crudModel->headerData(i, Qt::Horizontal).toString();
         if (name == column)
         {
-            auto index = ui->tableView->currentIndex();
-            index = ui->tableView->model()->index(index.row(), i);
-            ui->tableView->setCurrentIndex(index);
+            auto index = m_grid->view()->currentIndex();
+            index = m_grid->view()->model()->index(index.row(), i);
+            m_grid->view()->setCurrentIndex(index);
             break;
         }
     }
diff --git a/pglab/crud/CrudTab.h b/pglab/crud/CrudTab.h
index ef91325..a6bf0fc 100644
--- a/pglab/crud/CrudTab.h
+++ b/pglab/crud/CrudTab.h
@@ -1,7 +1,6 @@
 #ifndef CRUDTAB_H
 #define CRUDTAB_H
 
-#include <QSortFilterProxyModel>
 #include "catalog/PgClass.h"
 #include "IDatabaseWindow.h"
 #include <QWidget>
@@ -14,6 +13,7 @@ namespace Ui {
 
 class OpenDatabase;
 class CrudModel;
+class DataGridWidget;
 class QMenu;
 
 class CrudTab : public QWidget {
@@ -33,7 +33,7 @@ private:
 	std::optional<PgClass> m_table;
 
 	CrudModel *m_crudModel = nullptr;
-    QSortFilterProxyModel *m_SortFilterProxy = nullptr;
+	DataGridWidget *m_grid = nullptr;
 
     QMenu *headerContextMenu = nullptr;
 
diff --git a/pglab/crud/CrudTab.ui b/pglab/crud/CrudTab.ui
index 8c58abd..f3118a4 100644
--- a/pglab/crud/CrudTab.ui
+++ b/pglab/crud/CrudTab.ui
@@ -13,15 +13,7 @@
   <property name="windowTitle">
    <string>Form</string>
   </property>
-  <layout class="QVBoxLayout" name="verticalLayout">
-   <item>
-    <widget class="QTableView" name="tableView">
-     <attribute name="verticalHeaderVisible">
-      <bool>false</bool>
-     </attribute>
-    </widget>
-   </item>
-  </layout>
+  <layout class="QVBoxLayout" name="verticalLayout"/>
   <action name="actionRemove_rows">
    <property name="text">
     <string>Remove rows</string>
diff --git a/pglab/crud/DataGridWidget.cpp b/pglab/crud/DataGridWidget.cpp
new file mode 100644
index 0000000..64f19a8
--- /dev/null
+++ b/pglab/crud/DataGridWidget.cpp
@@ -0,0 +1,34 @@
+#include "DataGridWidget.h"
+#include "CustomDataRole.h"
+#include "ResultTableModelUtil.h"
+#include "util/PgLabItemDelegate.h"
+#include <QSortFilterProxyModel>
+#include <QTableView>
+#include <QVBoxLayout>
+
+
+DataGridWidget::DataGridWidget(QWidget *parent)
+	: QWidget(parent)
+{
+	auto layout = new QVBoxLayout(this);
+	layout->setContentsMargins(0, 0, 0, 0);
+
+	m_view = new QTableView(this);
+	layout->addWidget(m_view);
+
+	SetTableViewDefault(m_view);
+	auto delegate = new PgLabItemDelegate(m_view);
+	m_view->setItemDelegate(delegate);
+}
+
+void DataGridWidget::setSourceModel(QAbstractItemModel *model)
+{
+	if (!m_proxy) {
+		m_proxy = new QSortFilterProxyModel(this);
+		m_proxy->setSortRole(CustomSortRole);
+	}
+	m_proxy->setSourceModel(model);
+	m_view->setModel(m_proxy);
+	m_view->setSortingEnabled(true);
+	m_proxy->sort(0, Qt::AscendingOrder);
+}
diff --git a/pglab/crud/DataGridWidget.h b/pglab/crud/DataGridWidget.h
new file mode 100644
index 0000000..11d6745
--- /dev/null
+++ b/pglab/crud/DataGridWidget.h
@@ -0,0 +1,28 @@
+#ifndef DATAGRIDWIDGET_H
+#define DATAGRIDWIDGET_H
+
+#include <QWidget>
+
+class QAbstractItemModel;
+class QSortFilterProxyModel;
+class QTableView;
+
+/** Sortable and editable grid shared by the CRUD tab and the query result tab.
+ */
+class DataGridWidget : public QWidget {
+	Q_OBJECT
+public:
+	explicit DataGridWidget(QWidget *parent = nullptr);
+
+	/// Sets the model to show, sorting is done by a proxy that uses CustomSortRole
+	void setSourceModel(QAbstractItemModel *model);
+
+	QTableView *view() const { return m_view; }
+	QSortFilterProxyModel *proxy() const { return m_proxy; }
+
+private:
+	QTableView *m_view = nullptr;
+	QSortFilterProxyModel *m_proxy = nullptr;
+};
+
+#endif // DATAGRIDWIDGET_H
diff --git a/pglab/querytool/QueryResultModel.cpp b/pglab/querytool/QueryResultModel.cpp
deleted file mode 100644
index 360a00c..0000000
--- a/pglab/querytool/QueryResultModel.cpp
+++ /dev/null
@@ -1,85 +0,0 @@
-#include "QueryResultModel.h"
-#include "ResultTableModelUtil.h"
-#include "Pgsql_declare.h"
-#include "Pgsql_oids.h"
-#include "catalog/PgDatabaseCatalog.h"
-#include "CustomDataRole.h"
-#include <QBrush>
-#include <QColor>
-
-using namespace Pgsql;
-
-QueryResultModel::QueryResultModel(QObject *parent, std::shared_ptr<Pgsql::Result> r
-			, std::shared_ptr<PgDatabaseCatalog> cat)
-	: QAbstractTableModel(parent)
-	, result(std::move(r))
-	, catalog(cat)
-{}
-
-
-int QueryResultModel::rowCount(const QModelIndex &) const
-{
-	int r = result->rows();
-	return r;
-}
-
-int QueryResultModel::columnCount(const QModelIndex &) const
-{
-	int r = result->cols();
-	return r;
-}
-
-QVariant QueryResultModel::data(const QModelIndex &index, int role) const
-{
-//	static const QString null_str("null");
-	QVariant v;
-
-	const int col = index.column();
-	const int rij = index.row();
-	const Oid oid = result->type(col);
-	if (role == Qt::DisplayRole || role == Qt::EditRole) {
-		if (result->null(col, rij)) {
-			//v = nullptr;
-		}
-		else {
-			Value value = result->get(col, rij);
-			if (oid == bool_oid) {
-				bool b = value;
-				v = b;
-			}
-			else {
-				QString s = value;
-				v = s;
-			}
-		}
-	}
-    else if (role == CustomDataTypeRole) {
-		v = oid;
-	}
-
-
-	return v;
-}
-
-QVariant QueryResultModel::headerData(int section, Qt::Orientation orientation, int role) const
-{
-	QVariant r;
-	if (role == Qt::DisplayRole) {
-		if (orientation == Qt::Horizontal) {
-			QString s(result->getColName(section));
-			s += "\n";
-			s += getTypeDisplayString(*catalog, result->type(section));
-			r = s;
-		}
-		else {
-			r = QString::number(section + 1);
-		}
-	}
-	Qt::ItemFlags f;
-	return r;
-}
-
-Qt::ItemFlags QueryResultModel::flags(const QModelIndex &) const
-{
-	return Qt::ItemIsSelectable | Qt::ItemIsEnabled | Qt::ItemIsEditable;
-}
diff --git a/pglab/querytool/QueryResultModel.h b/pglab/querytool/QueryResultModel.h
deleted file mode 100644
index 7de2f70..0000000
--- a/pglab/querytool/QueryResultModel.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef QUERYRESULTMODEL_H
-#define QUERYRESULTMODEL_H
-
-#include <QAbstractTableModel>
-#include "catalog/models/BaseTableModel.h"
-#include "Pgsql_Connection.h"
-
-class PgDatabaseCatalog;
-
-class QueryResultModel : public QAbstractTableModel
-{
-	Q_OBJECT
-public:
-	QueryResultModel(QObject *parent, std::shared_ptr<Pgsql::Result> r, std::shared_ptr<PgDatabaseCatalog> cat);
-
-	int rowCount(const QModelIndex &parent = QModelIndex()) const override;
-	int columnCount(const QModelIndex &parent = QModelIndex()) const override;
-	QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
-	virtual QVariant headerData(int section, Qt::Orientation orientation, int role = Qt::DisplayRole) const override;
-	virtual Qt::ItemFlags flags(const QModelIndex &index) const override;
-
-	std::shared_ptr<const Pgsql::Result> GetPgsqlResult() const { return result; }
-protected:
-//	virtual Oid getType(int column) const override;
-//	virtual QVariant getData(const QModelIndex &index) const override;
-private:
-	std::shared_ptr<Pgsql::Result> result;
-	std::shared_ptr<PgDatabaseCatalog> catalog;
-};
-
-#endif // QUERYRESULTMODEL_H
diff --git a/pglab/querytool/QueryTool.cpp b/pglab/querytool/QueryTool.cpp
index 153b19c..f808335 100644
--- a/pglab/querytool/QueryTool.cpp
+++ b/pglab/querytool/QueryTool.cpp
@@ -476,10 +476,8 @@ void QueryTool::query_ready(std::shared_ptr<Pgsql::Result> dbres, qint64 elapsed
         //int n_rows = dbres->getRows();
         //QString rowcount_str = QString("rows: %1").arg(dbres->getRows());
 
-        auto result_model = std::make_shared<QueryResultModel>(nullptr , dbres,
-                                                    m_catalog);
         TuplesResultWidget *trw = new TuplesResultWidget;
-        trw->setResult(result_model, elapsedms);
+        trw->setResult(m_context->openDatabase(), dbres, elapsedms);
         resultList.push_back(trw);
         ui->tabWidget->addTab(trw, "Data");
         if (resultList.size() == 1)
diff --git a/pglab/querytool/QueryTool.h b/pglab/querytool/QueryTool.h
index 5cb98f0..1274642 100644
--- a/pglab/querytool/QueryTool.h
+++ b/pglab/querytool/QueryTool.h
@@ -3,7 +3,6 @@
 
 #include "ManagedPage.h"
 #include "ASyncDBConnection.h"
-#include "QueryResultModel.h"
 #include "QueryExplainModel.h"
 #include "stopwatch.h"
 #include "tuplesresultwidget.h"
@@ -26,7 +25,6 @@ class QTableView;
 class QTabWidget;
 class SqlSyntaxHighlighter;
 class ExplainRoot;
-class QueryResultModel;
 class QueryExplainModel;
 class PgTypeContainer;
 class OpenDatabase;
diff --git a/pglab/tuplesresultwidget.cpp b/pglab/tuplesresultwidget.cpp
index 1e2dd5b..21b090a 100644
--- a/pglab/tuplesresultwidget.cpp
+++ b/pglab/tuplesresultwidget.cpp
@@ -1,11 +1,15 @@
-#include "tuplesresultwidget.h"
+#include "tuplesresultwidget.h"
 #include "ui_tuplesresultwidget.h"
 #include "ResultTableModelUtil.h"
 #include "util.h"
+#include "crud/CrudModel.h"
+#include "crud/DataGridWidget.h"
+#include "OpenDatabase.h"
 
 #include <QFile>
 #include <QTextStream>
-#include "util/PgLabItemDelegate.h"
+#include <QTableView>
+#include <QHeaderView>
 
 
 TuplesResultWidget::TuplesResultWidget(QWidget *parent) :
@@ -15,9 +19,13 @@ TuplesResultWidget::TuplesResultWidget(QWidget *parent) :
 	ui->setupUi(this);
 	ui->lblRowCount->setText(QString());
 
-	SetTableViewDefault(ui->ResultView);
-	auto delegate = new PgLabItemDelegate(ui->ResultView);
-	ui->ResultView->setItemDelegate(delegate);
+	m_grid = new DataGridWidget(this);
+	ui->verticalLayout->insertWidget(0, m_grid);
+	m_grid->view()->setFont(QFont("Source Sans Pro", 10));
+	m_grid->view()->setAlternatingRowColors(true);
+	m_grid->view()->setWordWrap(false);
+	m_grid->view()->verticalHeader()->setDefaultSectionSize(21);
+	m_grid->view()->verticalHeader()->setMinimumSectionSize(16);
 }
 
 TuplesResultWidget::~TuplesResultWidget()
@@ -25,14 +33,17 @@ TuplesResultWidget::~TuplesResultWidget()
 	delete ui;
 }
 
-void TuplesResultWidget::setResult(std::shared_ptr<QueryResultModel> res, float ms)
+void TuplesResultWidget::setResult(std::shared_ptr<OpenDatabase> db, std::shared_ptr<Pgsql::Result> res, float ms)
 {
-	resultModel = res;
-	ui->ResultView->setModel(resultModel.get());
+	m_result = res;
 
-	ui->ResultView->resizeColumnsToContents();
+	m_model = new CrudModel(m_grid);
+	m_model->setResult(db, res);
+	m_grid->setSourceModel(m_model);
 
-	QString rowcount_str = QString("rows: %1").arg(resultModel->rowCount());
+	m_grid->view()->resizeColumnsToContents();
+
+	QString rowcount_str = QString("rows: %1").arg(m_model->rowCount());
 	ui->lblRowCount->setText(rowcount_str);
 	ui->lblElapsedTime->setText(msfloatToHumanReadableString(ms));
 }
@@ -42,8 +53,6 @@ void TuplesResultWidget::exportData(const QString &file_name) const
 	QFile file(file_name);
 	if (file.open(QIODevice::WriteOnly)) {
 		QTextStream out(&file);
-		::exportTable(ui->ResultView, out);
+		::exportTable(m_grid->view(), out);
 	}
 }
-
-
diff --git a/pglab/tuplesresultwidget.h b/pglab/tuplesresultwidget.h
index 89a55d9..19fc083 100644
--- a/pglab/tuplesresultwidget.h
+++ b/pglab/tuplesresultwidget.h
@@ -1,13 +1,21 @@
 #ifndef TUPLESRESULTWIDGET_H
 #define TUPLESRESULTWIDGET_H
 
-#include "querytool/QueryResultModel.h"
 #include <QWidget>
+#include <memory>
 
 namespace Ui {
 class TuplesResultWidget;
 }
 
+namespace Pgsql {
+	class Result;
+}
+
+class OpenDatabase;
+class CrudModel;
+class DataGridWidget;
+
 class TuplesResultWidget : public QWidget
 {
 	Q_OBJECT
@@ -16,14 +24,15 @@ public:
 	explicit TuplesResultWidget(QWidget *parent = 0);
 	~TuplesResultWidget();
 
-	void setResult(std::shared_ptr<QueryResultModel> res, float ms);
+	void setResult(std::shared_ptr<OpenDatabase> db, std::shared_ptr<Pgsql::Result> res, float ms);
 	void exportData(const QString &file_name) const;
 
-	std::shared_ptr<const Pgsql::Result> GetPgsqlResult() const { return resultModel->GetPgsqlResult(); }
+	std::shared_ptr<const Pgsql::Result> GetPgsqlResult() const { return m_result; }
 private:
 	Ui::TuplesResultWidget *ui;
-
-	std::shared_ptr<QueryResultModel> resultModel;
+	DataGridWidget *m_grid = nullptr;
+	CrudModel *m_model = nullptr;
+	std::shared_ptr<Pgsql::Result> m_result;
 };
 
 #endif // TUPLESRESULTWIDGET_H
diff --git a/pglab/tuplesresultwidget.ui b/pglab/tuplesresultwidget.ui
index 677a464..b13909e 100644
--- a/pglab/tuplesresultwidget.ui
+++ b/pglab/tuplesresultwidget.ui
@@ -29,37 +29,6 @@
    <property name="bottomMargin">
     <number>2</number>
    </property>
-   <item>
-    <widget class="QTableView" name="ResultView">
-     <property name="font">
-      <font>
-       <family>Source Sans Pro</family>
-       <pointsize>10</pointsize>
-      </font>
-     </property>
-     <property name="editTriggers">
-      <set>QAbstractItemView::DoubleClicked|QAbstractItemView::EditKeyPressed</set>
-     </property>
-     <property name="alternatingRowColors">
-      <bool>true</bool>
-     </property>
-     <property name="verticalScrollMode">
-      <enum>QAbstractItemView::ScrollPerPixel</enum>
-     </property>
-     <property name="horizontalScrollMode">
-      <enum>QAbstractItemView::ScrollPerPixel</enum>
-     </property>
-     <property name="wordWrap">
-      <bool>false</bool>
-     </property>
-     <attribute name="verticalHeaderDefaultSectionSize">
-      <number>21</number>
-     </attribute>
-     <attribute name="verticalHeaderMinimumSectionSize">
-      <number>16</number>
-     </attribute>
-    </widget>
-   </item>
    <item>
     <widget class="QWidget" name="widget" native="true">
      <layout class="QHBoxLayout" name="horizontalLayout">
diff --git a/releasenotes/notes/query-results-editable-grid-b265a193a39f3245.yaml b/releasenotes/notes/query-results-editable-grid-b265a193a39f3245.yaml
new file mode 100644
index 0000000..14be544
--- /dev/null
+++ b/releasenotes/notes/query-results-editable-grid-b265a193a39f3245.yaml
@@ -0,0 +1,12 @@
+---
+features:
+  - |
+    Query results are now shown in the same grid as the table data tab. Columns
+    can be sorted by clicking their headers, and cells that belong to a table
+    with a primary key present in the result can be edited directly. Changes
+    are saved with an ``UPDATE`` by primary key.
+other:
+  - |
+    Read-only cells in query results, such as expression columns or columns of
+    tables without a primary key in the result, are now shown in grey so they
+    can be told apart from editable cells.