diff --git a/packages/compass-data-modeling/src/components/diagram-editor.spec.tsx b/packages/compass-data-modeling/src/components/diagram-editor.spec.tsx
index 67df93d6391..8236028254d 100644
--- a/packages/compass-data-modeling/src/components/diagram-editor.spec.tsx
+++ b/packages/compass-data-modeling/src/components/diagram-editor.spec.tsx
@@ -1,9 +1,12 @@
 import React from 'react';
 import { expect } from 'chai';
 import {
+  createDefaultConnectionInfo,
   createPluginTestHelpers,
   screen,
+  userEvent,
   waitFor,
+  within,
 } from '@mongodb-js/testing-library-compass';
 import DiagramEditor from './diagram-editor';
 import type { DataModelingStore } from '../../test/setup-store';
@@ -17,6 +20,13 @@ import { DiagramProvider } from '@mongodb-js/diagramming';
 import { DataModelingWorkspaceTab } from '..';
 import { openDiagram } from '../store/diagram';
 import { DrawerAnchor } from '@mongodb-js/compass-components';
+import { type AnalysisOptions, startAnalysis } from '../store/analysis-process';
+import type { DataService } from '@mongodb-js/compass-connections/provider';
+
+const mockConnections = [
+  { ...createDefaultConnectionInfo(), id: 'connection1' },
+  { ...createDefaultConnectionInfo(), id: 'connection2' },
+];
 
 const storageItems: MongoDBDataModelDescription[] = [
   {
@@ -108,30 +118,41 @@ const mockDiagramming = {
   },
 };
 
-const renderDiagramEditor = ({
-  items = storageItems,
-  renderedItem = items[0],
-}: {
-  items?: MongoDBDataModelDescription[];
-  renderedItem?: MongoDBDataModelDescription;
-} = {}) => {
+const renderDiagramEditor = async ({
+  existingDiagram,
+  newDiagram,
+}:
+  | {
+      existingDiagram: MongoDBDataModelDescription;
+      newDiagram?: never;
+    }
+  | {
+      newDiagram: {
+        name: string;
+        database: string;
+        connectionId: string;
+        collections: string[];
+        analysisOptions: AnalysisOptions;
+      };
+      existingDiagram?: never;
+    }) => {
   const mockDataModelStorage = {
     status: 'READY',
     error: null,
-    items,
+    items: storageItems,
     save: () => {
       return Promise.resolve(false);
     },
     delete: () => {
       return Promise.resolve(false);
     },
-    loadAll: () => Promise.resolve(items),
+    loadAll: () => Promise.resolve(storageItems),
     load: (id: string) => {
-      return Promise.resolve(items.find((x) => x.id === id) ?? null);
+      return Promise.resolve(storageItems.find((x) => x.id === id) ?? null);
     },
   };
 
-  const { renderWithConnections } = createPluginTestHelpers(
+  const { renderWithActiveConnection } = createPluginTestHelpers(
     DataModelingWorkspaceTab.provider.withMockServices({
       services: {
         dataModelStorage: mockDataModelStorage,
@@ -139,18 +160,45 @@ const renderDiagramEditor = ({
     }),
     {
       namespace: 'foo.bar',
-    } as any
+    }
   );
   const {
     plugin: { store },
-  } = renderWithConnections(
+  } = await renderWithActiveConnection(
     <DrawerAnchor>
       <DiagramProvider fitView>
         <DiagramEditor />
       </DiagramProvider>
-    </DrawerAnchor>
+    </DrawerAnchor>,
+    mockConnections[0],
+    {
+      connections: mockConnections,
+      connectFn: () => {
+        return {
+          sample: () =>
+            Promise.resolve([
+              {
+                _id: 'doc1',
+              },
+              {
+                _id: 'doc2',
+              },
+            ]),
+        } as unknown as DataService;
+      },
+    }
   );
-  store.dispatch(openDiagram(renderedItem));
+  if (existingDiagram) store.dispatch(openDiagram(existingDiagram));
+  if (newDiagram)
+    store.dispatch(
+      startAnalysis(
+        newDiagram.name,
+        newDiagram.connectionId,
+        newDiagram.database,
+        newDiagram.collections,
+        newDiagram.analysisOptions
+      )
+    );
 
   return { store };
 };
@@ -168,8 +216,8 @@ describe('DiagramEditor', function () {
 
   context('with existing diagram', function () {
     beforeEach(async function () {
-      const result = renderDiagramEditor({
-        renderedItem: storageItems[0],
+      const result = await renderDiagramEditor({
+        existingDiagram: storageItems[0],
       });
       store = result.store;
 
@@ -179,6 +227,10 @@ describe('DiagramEditor', function () {
       });
     });
 
+    it('does not show the banner', function () {
+      expect(screen.queryByText('Worried about your data?')).not.to.exist;
+    });
+
     it('does not change the position of the nodes', function () {
       const state = store.getState();
 
@@ -200,4 +252,40 @@ describe('DiagramEditor', function () {
       );
     });
   });
+
+  context('with a new diagram', function () {
+    beforeEach(async function () {
+      const result = await renderDiagramEditor({
+        newDiagram: {
+          name: 'New Diagram',
+          database: 'test',
+          connectionId: 'connection1',
+          collections: ['collection1', 'collection2'],
+          analysisOptions: {
+            automaticallyInferRelations: false,
+          },
+        },
+      });
+      store = result.store;
+
+      // wait till the editor is loaded
+      await waitFor(() => {
+        expect(screen.getByTestId('model-preview')).to.be.visible;
+      });
+    });
+
+    it('shows the banner', function () {
+      expect(screen.getByText('Questions about your data?')).to.be.visible;
+    });
+
+    it('banner can be closed', function () {
+      const closeBtn = within(screen.getByTestId('data-info-banner')).getByRole(
+        'button',
+        { name: 'Close Message' }
+      );
+      expect(closeBtn).to.be.visible;
+      userEvent.click(closeBtn);
+      expect(screen.queryByText('Questions about your data?')).not.to.exist;
+    });
+  });
 });
diff --git a/packages/compass-data-modeling/src/components/diagram-editor.tsx b/packages/compass-data-modeling/src/components/diagram-editor.tsx
index 4f193b78e2d..bc9607d8ca2 100644
--- a/packages/compass-data-modeling/src/components/diagram-editor.tsx
+++ b/packages/compass-data-modeling/src/components/diagram-editor.tsx
@@ -47,6 +47,7 @@ import {
   getHighlightedFields,
   relationshipToDiagramEdge,
 } from '../utils/nodes-and-edges';
+import toNS from 'mongodb-ns';
 
 const loadingContainerStyles = css({
   width: '100%',
@@ -57,7 +58,7 @@ const loaderStyles = css({
   margin: '0 auto',
 });
 
-const bannerStyles = css({
+const errorBannerStyles = css({
   margin: spacing[200],
   '& > div': {
     display: 'flex',
@@ -65,6 +66,17 @@ const bannerStyles = css({
   },
 });
 
+const dataInfoBannerStyles = css({
+  margin: spacing[400],
+  position: 'absolute',
+  zIndex: 100,
+
+  h4: {
+    marginTop: 0,
+    marginBottom: 0,
+  },
+});
+
 const bannerButtonStyles = css({
   marginLeft: 'auto',
 });
@@ -73,7 +85,7 @@ const ErrorBannerWithRetry: React.FunctionComponent<{
   onRetryClick: () => void;
 }> = ({ children, onRetryClick }) => {
   return (
-    <Banner variant="danger" className={bannerStyles}>
+    <Banner variant="danger" className={errorBannerStyles}>
       <div>{children}</div>
       <Button
         className={bannerButtonStyles}
@@ -113,6 +125,8 @@ type SelectedItems = NonNullable<DiagramState>['selectedItems'];
 
 const DiagramContent: React.FunctionComponent<{
   diagramLabel: string;
+  database: string | null;
+  isNewlyCreatedDiagram?: boolean;
   model: StaticModel | null;
   isInRelationshipDrawingMode: boolean;
   editErrors?: string[];
@@ -134,6 +148,8 @@ const DiagramContent: React.FunctionComponent<{
   onRelationshipDrawn: () => void;
 }> = ({
   diagramLabel,
+  database,
+  isNewlyCreatedDiagram,
   model,
   isInRelationshipDrawingMode,
   newCollection,
@@ -151,6 +167,9 @@ const DiagramContent: React.FunctionComponent<{
   const diagram = useRef(useDiagram());
   const { openDrawer } = useDrawerActions();
   const { isDrawerOpen } = useDrawerState();
+  const [showDataInfoBanner, setshowDataInfoBanner] = useState(
+    isNewlyCreatedDiagram ?? false
+  );
 
   const setDiagramContainerRef = useCallback((ref: HTMLDivElement | null) => {
     if (ref) {
@@ -307,6 +326,20 @@ const DiagramContent: React.FunctionComponent<{
       data-testid="diagram-editor-container"
     >
       <div className={modelPreviewStyles} data-testid="model-preview">
+        {showDataInfoBanner && (
+          <Banner
+            variant="info"
+            dismissible
+            onClose={() => setshowDataInfoBanner(false)}
+            className={dataInfoBannerStyles}
+            data-testid="data-info-banner"
+          >
+            <h4>Questions about your data?</h4>
+            This diagram was generated based on a sample of documents from{' '}
+            {database ?? 'a database'}. Changes made to the diagram will not
+            impact your data
+          </Banner>
+        )}
         <Diagram
           isDarkMode={isDarkMode}
           title={diagramLabel}
@@ -331,11 +364,16 @@ const DiagramContent: React.FunctionComponent<{
 const ConnectedDiagramContent = connect(
   (state: DataModelingState) => {
     const { diagram } = state;
+    const model = diagram ? selectCurrentModelFromState(state) : null;
     return {
-      model: diagram ? selectCurrentModelFromState(state) : null,
+      model,
       diagramLabel: diagram?.name || 'Schema Preview',
       selectedItems: state.diagram?.selectedItems ?? null,
       newCollection: diagram?.draftCollection,
+      isNewlyCreatedDiagram: diagram?.isNewlyCreated,
+      database: model?.collections[0]?.ns
+        ? toNS(model.collections[0].ns).database
+        : null, // TODO(COMPASS-9718): use diagram.database
     };
   },
   {
diff --git a/packages/compass-data-modeling/src/store/diagram.ts b/packages/compass-data-modeling/src/store/diagram.ts
index 9be07203139..fd41d43b3d7 100644
--- a/packages/compass-data-modeling/src/store/diagram.ts
+++ b/packages/compass-data-modeling/src/store/diagram.ts
@@ -61,6 +61,7 @@ export type DiagramState =
       };
       editErrors?: string[];
       selectedItems: SelectedItems | null;
+      isNewlyCreated: boolean;
       draftCollection?: string;
     })
   | null; // null when no diagram is currently open
@@ -159,6 +160,7 @@ export const diagramReducer: Reducer<DiagramState> = (
     prev.shift(); // Remove the first item, which is initial SetModel and there's no previous edit for it.
     return {
       ...action.diagram,
+      isNewlyCreated: false,
       edits: {
         prev,
         current,
@@ -171,6 +173,7 @@ export const diagramReducer: Reducer<DiagramState> = (
   if (isAction(action, AnalysisProcessActionTypes.ANALYSIS_FINISHED)) {
     return {
       id: new UUID().toString(),
+      isNewlyCreated: true,
       name: action.name,
       connectionId: action.connectionId,
       createdAt: new Date().toISOString(),
diff --git a/packages/compass-e2e-tests/helpers/selectors.ts b/packages/compass-e2e-tests/helpers/selectors.ts
index fc9eb088d73..5da7673a9f1 100644
--- a/packages/compass-e2e-tests/helpers/selectors.ts
+++ b/packages/compass-e2e-tests/helpers/selectors.ts
@@ -1501,6 +1501,7 @@ export const DataModelCollectionRelationshipItemEdit = `[aria-label="Edit relati
 export const DataModelCollectionRelationshipItemDelete = `[aria-label="Delete relationship"]`;
 export const DataModelCollectionSidebarItemDelete = `[aria-label="Delete collection"]`;
 export const DataModelCollectionSidebarItemDeleteButton = `[data-action="delete"]`;
+export const DataModelInfoBannerCloseBtn = `[data-testid="data-info-banner"] [aria-label="Close Message"]`;
 
 // Side drawer
 export const SideDrawer = `[data-testid="${getDrawerIds().root}"]`;
diff --git a/packages/compass-e2e-tests/tests/data-modeling-tab.test.ts b/packages/compass-e2e-tests/tests/data-modeling-tab.test.ts
index 91e51119cfc..bff9dd760f6 100644
--- a/packages/compass-e2e-tests/tests/data-modeling-tab.test.ts
+++ b/packages/compass-e2e-tests/tests/data-modeling-tab.test.ts
@@ -115,6 +115,11 @@ async function setupDiagram(
   // Wait for the diagram editor to load
   const dataModelEditor = browser.$(Selectors.DataModelEditor);
   await dataModelEditor.waitForDisplayed();
+
+  // Close the info banner to get it out of the way
+  const infoBannerCloseBtn = browser.$(Selectors.DataModelInfoBannerCloseBtn);
+  await infoBannerCloseBtn.waitForClickable();
+  await browser.clickVisible(Selectors.DataModelInfoBannerCloseBtn);
 }
 
 async function selectCollectionOnTheDiagram(