diff --git a/packages/web/src/designer/designerTools.ts b/packages/web/src/designer/designerTools.ts
index 5ed0152d..a1170715 100644
--- a/packages/web/src/designer/designerTools.ts
+++ b/packages/web/src/designer/designerTools.ts
@@ -106,6 +106,7 @@ export function generateDesignedQuery(designer: DesignerInfo, engine: EngineDriv
   const componentCreator = new DesignerComponentCreator(designer);
   const designerDumper = new DesignerQueryDumper(designer, componentCreator.components);
   const select = designerDumper.run();
+  select.distinct = !!designer?.settings?.isDistinct;
 
   const dmp = engine.createDumper();
   dumpSqlSelect(dmp, select);
diff --git a/packages/web/src/designer/types.ts b/packages/web/src/designer/types.ts
index c746f7ac..000549de 100644
--- a/packages/web/src/designer/types.ts
+++ b/packages/web/src/designer/types.ts
@@ -33,7 +33,12 @@ export type DesignerColumnInfo = {
   groupFilter?: string;
 };
 
+export type DesignerSettings = {
+  isDistinct?: boolean;
+};
+
 export type DesignerInfo = {
+  settings?: DesignerSettings;
   tables: DesignerTableInfo[];
   columns: DesignerColumnInfo[];
   references: DesignerReferenceInfo[];
diff --git a/packages/web/src/tabs/QueryDesignTab.svelte b/packages/web/src/tabs/QueryDesignTab.svelte
index 24b7e0ec..5c735f75 100644
--- a/packages/web/src/tabs/QueryDesignTab.svelte
+++ b/packages/web/src/tabs/QueryDesignTab.svelte
@@ -215,6 +215,22 @@
       { divider: true },
       { command: 'designer.undo' },
       { command: 'designer.redo' },
+      { divider: true },
+      {
+        text: `Remove duplicates: ${$editorState.value?.settings?.isDistinct ? 'YES' : 'NO'}`,
+        onClick: () => {
+          handleChange(
+            {
+              ...$editorState.value,
+              settings: {
+                ...$editorState.value?.settings,
+                isDistinct: !$editorState.value?.settings?.isDistinct,
+              },
+            },
+            false
+          );
+        },
+      },
     ];
   }
 </script>