diff --git a/src/context/chartdb-context/chartdb-context.tsx b/src/context/chartdb-context/chartdb-context.tsx
index bb839038..e8e9a2ce 100644
--- a/src/context/chartdb-context/chartdb-context.tsx
+++ b/src/context/chartdb-context/chartdb-context.tsx
@@ -5,6 +5,7 @@ import { DatabaseType } from '@/lib/domain/database-type';
 import { DBField } from '@/lib/domain/db-field';
 import { DBIndex } from '@/lib/domain/db-index';
 import { DBRelationship } from '@/lib/domain/db-relationship';
+import { Diagram } from '@/lib/domain/diagram';
 
 export interface ChartDBContext {
     diagramId: string;
@@ -16,6 +17,7 @@ export interface ChartDBContext {
     // General operations
     updateDiagramId: (id: string) => void;
     updateDiagramName: (name: string) => void;
+    loadDiagram: (diagramId: string) => Promise<Diagram | null>;
 
     // Database type operations
     updateDatabaseType: (databaseType: DatabaseType) => void;
@@ -80,6 +82,7 @@ export const chartDBContext = createContext<ChartDBContext>({
     // General operations
     updateDiagramId: emptyFn,
     updateDiagramName: emptyFn,
+    loadDiagram: emptyFn,
 
     // Database type operations
     updateDatabaseType: emptyFn,
diff --git a/src/context/chartdb-context/chartdb-provider.tsx b/src/context/chartdb-context/chartdb-provider.tsx
index 5329c75c..158d439a 100644
--- a/src/context/chartdb-context/chartdb-provider.tsx
+++ b/src/context/chartdb-context/chartdb-provider.tsx
@@ -6,6 +6,7 @@ import { DatabaseType } from '@/lib/domain/database-type';
 import { DBField } from '@/lib/domain/db-field';
 import { DBIndex } from '@/lib/domain/db-index';
 import { DBRelationship } from '@/lib/domain/db-relationship';
+import { Diagram } from '@/lib/domain/diagram';
 
 export const ChartDBProvider: React.FC<React.PropsWithChildren> = ({
     children,
@@ -285,6 +286,11 @@ export const ChartDBProvider: React.FC<React.PropsWithChildren> = ({
         );
     };
 
+    const loadDiagram = (diagramId: string) => {
+        console.log('Loading diagram', diagramId);
+        return Promise.resolve({} as Diagram);
+    };
+
     return (
         <chartDBContext.Provider
             value={{
@@ -295,6 +301,7 @@ export const ChartDBProvider: React.FC<React.PropsWithChildren> = ({
                 relationships,
                 updateDiagramId,
                 updateDiagramName,
+                loadDiagram,
                 updateDatabaseType,
                 createTable,
                 addTable,
diff --git a/src/context/config-context/config-context.tsx b/src/context/config-context/config-context.tsx
new file mode 100644
index 00000000..f53b5cf7
--- /dev/null
+++ b/src/context/config-context/config-context.tsx
@@ -0,0 +1,13 @@
+import { createContext } from 'react';
+import { emptyFn } from '@/lib/utils';
+import { ChartDBConfig } from '@/lib/domain/config';
+
+export interface ConfigContext {
+    config?: ChartDBConfig;
+    updateConfig: (config: Partial<ChartDBConfig>) => Promise<void>;
+}
+
+export const ConfigContext = createContext<ConfigContext>({
+    config: undefined,
+    updateConfig: emptyFn,
+});
diff --git a/src/context/config-context/config-provider.tsx b/src/context/config-context/config-provider.tsx
new file mode 100644
index 00000000..1970672b
--- /dev/null
+++ b/src/context/config-context/config-provider.tsx
@@ -0,0 +1,36 @@
+import React, { useEffect } from 'react';
+import { ConfigContext } from './config-context';
+
+import { useData } from '@/hooks/use-data';
+import { ChartDBConfig } from '@/lib/domain/config';
+
+export const ConfigProvider: React.FC<React.PropsWithChildren> = ({
+    children,
+}) => {
+    const { getConfig, updateConfig: updateDataConfig } = useData();
+    const [config, setConfig] = React.useState<ChartDBConfig | undefined>();
+
+    useEffect(() => {
+        const loadConfig = async () => {
+            const config = await getConfig();
+            setConfig(config);
+        };
+
+        loadConfig();
+    }, [getConfig]);
+
+    const updateConfig = async (config: Partial<ChartDBConfig>) => {
+        await updateDataConfig(config);
+        setConfig((prevConfig) =>
+            prevConfig
+                ? { ...prevConfig, ...config }
+                : { ...{ defaultDiagramId: '' }, ...config }
+        );
+    };
+
+    return (
+        <ConfigContext.Provider value={{ config, updateConfig }}>
+            {children}
+        </ConfigContext.Provider>
+    );
+};
diff --git a/src/context/data-context/data-context.tsx b/src/context/data-context/data-context.tsx
index c4916b01..ca7a60c6 100644
--- a/src/context/data-context/data-context.tsx
+++ b/src/context/data-context/data-context.tsx
@@ -3,8 +3,13 @@ import { Diagram } from '@/lib/domain/diagram';
 import { emptyFn } from '@/lib/utils';
 import { DBRelationship } from '@/lib/domain/db-relationship';
 import { DBTable } from '@/lib/domain/db-table';
+import { ChartDBConfig } from '@/lib/domain/config';
 
 export interface DataContext {
+    // Config operations
+    getConfig: () => Promise<ChartDBConfig | undefined>;
+    updateConfig: (config: Partial<ChartDBConfig>) => Promise<void>;
+
     // Diagram operations
     addDiagram: (params: { diagram: Diagram }) => Promise<void>;
     listDiagrams: () => Promise<Diagram[]>;
@@ -49,6 +54,9 @@ export interface DataContext {
 }
 
 export const dataContext = createContext<DataContext>({
+    getConfig: emptyFn,
+    updateConfig: emptyFn,
+
     addDiagram: emptyFn,
     listDiagrams: emptyFn,
     getDiagram: emptyFn,
diff --git a/src/context/data-context/data-provider.tsx b/src/context/data-context/data-provider.tsx
index b4cbbc51..f9d70793 100644
--- a/src/context/data-context/data-provider.tsx
+++ b/src/context/data-context/data-provider.tsx
@@ -4,6 +4,7 @@ import Dexie, { type EntityTable } from 'dexie';
 import { Diagram } from '@/lib/domain/diagram';
 import { DBTable } from '@/lib/domain/db-table';
 import { DBRelationship } from '@/lib/domain/db-relationship';
+import { ChartDBConfig } from '@/lib/domain/config';
 
 export const DataProvider: React.FC<React.PropsWithChildren> = ({
     children,
@@ -21,6 +22,10 @@ export const DataProvider: React.FC<React.PropsWithChildren> = ({
             DBRelationship & { diagramId: string },
             'id' // primary key "id" (for the typings only)
         >;
+        config: EntityTable<
+            ChartDBConfig & { id: number },
+            'id' // primary key "id" (for the typings only)
+        >;
     };
 
     // Schema declaration:
@@ -30,8 +35,28 @@ export const DataProvider: React.FC<React.PropsWithChildren> = ({
             '++id, diagramId, name, x, y, fields, indexes, color, createdAt',
         db_relationships:
             '++id, diagramId, name, sourceTableId, targetTableId, sourceFieldId, targetFieldId, type, createdAt',
+        config: '++id, defaultDiagramId',
     });
 
+    db.on('ready', async () => {
+        const config = await getConfig();
+
+        if (!config) {
+            await db.config.add({
+                id: 1,
+                defaultDiagramId: '',
+            });
+        }
+    });
+
+    const getConfig = async (): Promise<ChartDBConfig | undefined> => {
+        return await db.config.get(1);
+    };
+
+    const updateConfig = async (config: Partial<ChartDBConfig>) => {
+        await db.config.update(1, config);
+    };
+
     const addDiagram = async ({ diagram }: { diagram: Diagram }) => {
         await db.diagrams.add(diagram);
     };
@@ -167,6 +192,8 @@ export const DataProvider: React.FC<React.PropsWithChildren> = ({
     return (
         <dataContext.Provider
             value={{
+                getConfig,
+                updateConfig,
                 addDiagram,
                 listDiagrams,
                 getDiagram,
diff --git a/src/dialogs/create-diagram-dialog/create-diagram-dialog.tsx b/src/dialogs/create-diagram-dialog/create-diagram-dialog.tsx
index 4967d648..35e04cee 100644
--- a/src/dialogs/create-diagram-dialog/create-diagram-dialog.tsx
+++ b/src/dialogs/create-diagram-dialog/create-diagram-dialog.tsx
@@ -20,6 +20,7 @@ import { Diagram } from '@/lib/domain/diagram';
 import { generateId } from '@/lib/utils';
 import { useCreateDiagramDialog } from '@/hooks/use-create-diagram-dialog';
 import { useNavigate } from 'react-router-dom';
+import { useConfig } from '@/hooks/use-config';
 
 enum CreateDiagramDialogStep {
     SELECT_DATABASE = 'SELECT_DATABASE',
@@ -37,6 +38,7 @@ export const CreateDiagramDialog: React.FC<CreateDiagramDialogProps> = ({
         DatabaseType.GENERIC
     );
     const { closeCreateDiagramDialog } = useCreateDiagramDialog();
+    const { updateConfig } = useConfig();
     const [scriptResult, setScriptResult] = React.useState('');
     const [step, setStep] = React.useState<CreateDiagramDialogStep>(
         CreateDiagramDialogStep.SELECT_DATABASE
@@ -48,7 +50,6 @@ export const CreateDiagramDialog: React.FC<CreateDiagramDialogProps> = ({
     useEffect(() => {
         const fetchDiagrams = async () => {
             const diagrams = await listDiagrams();
-            console.log({ diagrams });
             setDiagramNumber(diagrams.length + 1);
         };
         fetchDiagrams();
@@ -63,6 +64,7 @@ export const CreateDiagramDialog: React.FC<CreateDiagramDialogProps> = ({
             relationships: [],
         };
         await addDiagram({ diagram });
+        await updateConfig({ defaultDiagramId: diagram.id });
         closeCreateDiagramDialog();
         navigate(`/diagrams/${diagram.id}`);
     }, [
@@ -71,6 +73,7 @@ export const CreateDiagramDialog: React.FC<CreateDiagramDialogProps> = ({
         addDiagram,
         closeCreateDiagramDialog,
         navigate,
+        updateConfig,
     ]);
 
     const renderDatabaseOption = useCallback((type: DatabaseType) => {
diff --git a/src/hooks/use-config.ts b/src/hooks/use-config.ts
new file mode 100644
index 00000000..23fa33ac
--- /dev/null
+++ b/src/hooks/use-config.ts
@@ -0,0 +1,4 @@
+import { useContext } from 'react';
+import { ConfigContext } from '@/context/config-context/config-context';
+
+export const useConfig = () => useContext(ConfigContext);
diff --git a/src/lib/domain/config.ts b/src/lib/domain/config.ts
new file mode 100644
index 00000000..f6278a47
--- /dev/null
+++ b/src/lib/domain/config.ts
@@ -0,0 +1,3 @@
+export interface ChartDBConfig {
+    defaultDiagramId: string;
+}
diff --git a/src/pages/editor-page/editor-page.tsx b/src/pages/editor-page/editor-page.tsx
index 7772127e..f4b0fe20 100644
--- a/src/pages/editor-page/editor-page.tsx
+++ b/src/pages/editor-page/editor-page.tsx
@@ -8,18 +8,30 @@ import {
 } from '@/components/resizable/resizable';
 import { SidePanel } from './side-panel/side-panel';
 import { Canvas } from './canvas/canvas';
-import { useParams } from 'react-router-dom';
+import { useNavigate, useParams } from 'react-router-dom';
 import { useCreateDiagramDialog } from '@/hooks/use-create-diagram-dialog';
+import { useConfig } from '@/hooks/use-config';
 
 export const EditorPage: React.FC = () => {
     const { openCreateDiagramDialog } = useCreateDiagramDialog();
     const { diagramId } = useParams<{ diagramId: string }>();
+    const { config } = useConfig();
+    const navigate = useNavigate();
 
     useEffect(() => {
-        if (!diagramId) {
+        if (!config) {
+            return;
+        }
+
+        if (diagramId) {
+            // load diagram
+            console.log('load diagram to memory');
+        } else if (!diagramId && config.defaultDiagramId) {
+            navigate(`/diagrams/${config.defaultDiagramId}`);
+        } else {
             openCreateDiagramDialog();
         }
-    }, [diagramId, openCreateDiagramDialog]);
+    }, [diagramId, openCreateDiagramDialog, config, navigate]);
 
     return (
         <section className="bg-background h-screen w-screen flex flex-col">
diff --git a/src/router.tsx b/src/router.tsx
index 733ad06f..6a01754a 100644
--- a/src/router.tsx
+++ b/src/router.tsx
@@ -6,19 +6,22 @@ import { ChartDBProvider } from './context/chartdb-context/chartdb-provider';
 import { ReactFlowProvider } from '@xyflow/react';
 import { DataProvider } from './context/data-context/data-provider';
 import { CreateDiagramDialogProvider } from './dialogs/create-diagram-dialog/create-diagram-dialog-provider';
+import { ConfigProvider } from './context/config-context/config-provider';
 
 const routes: RouteObject[] = [
     ...['', 'diagrams/:diagramId'].map((path) => ({
         path,
         element: (
             <DataProvider>
-                <ChartDBProvider>
-                    <CreateDiagramDialogProvider>
-                        <ReactFlowProvider>
-                            <EditorPage />
-                        </ReactFlowProvider>
-                    </CreateDiagramDialogProvider>
-                </ChartDBProvider>
+                <ConfigProvider>
+                    <ChartDBProvider>
+                        <CreateDiagramDialogProvider>
+                            <ReactFlowProvider>
+                                <EditorPage />
+                            </ReactFlowProvider>
+                        </CreateDiagramDialogProvider>
+                    </ChartDBProvider>
+                </ConfigProvider>
             </DataProvider>
         ),
     })),