diff --git a/.changeset/angry-cows-leave.md b/.changeset/angry-cows-leave.md
new file mode 100644
index 00000000..59932dd3
--- /dev/null
+++ b/.changeset/angry-cows-leave.md
@@ -0,0 +1,5 @@
+---
+"gboost-ui": patch
+---
+
+Auto select comparator if only one in QueryTable Filter
diff --git a/.changeset/light-dryers-eat.md b/.changeset/light-dryers-eat.md
new file mode 100644
index 00000000..a20c364d
--- /dev/null
+++ b/.changeset/light-dryers-eat.md
@@ -0,0 +1,5 @@
+---
+"gboost-ui": patch
+---
+
+Fix margin between bottom of table and pagination
diff --git a/.changeset/long-wombats-greet.md b/.changeset/long-wombats-greet.md
new file mode 100644
index 00000000..7f66b912
--- /dev/null
+++ b/.changeset/long-wombats-greet.md
@@ -0,0 +1,5 @@
+---
+"gboost-ui": minor
+---
+
+Add refreshRef to QueryTable to allow manual refreshing
diff --git a/.changeset/selfish-geese-add.md b/.changeset/selfish-geese-add.md
new file mode 100644
index 00000000..f4a2e2da
--- /dev/null
+++ b/.changeset/selfish-geese-add.md
@@ -0,0 +1,5 @@
+---
+"gboost-ui": minor
+---
+
+Add refresh button on QueryTable action bar
diff --git a/packages/gboost-ui/src/QueryTable/ActionBar/ActionBar.tsx b/packages/gboost-ui/src/QueryTable/ActionBar/ActionBar.tsx
index 3d0a1520..addecfb9 100644
--- a/packages/gboost-ui/src/QueryTable/ActionBar/ActionBar.tsx
+++ b/packages/gboost-ui/src/QueryTable/ActionBar/ActionBar.tsx
@@ -1,17 +1,19 @@
-import { ReactElement, RefObject, useMemo } from "react";
-import { Heading } from "@aws-amplify/ui-react";
+import { MutableRefObject, ReactElement, RefObject, useMemo } from "react";
+import { Button, Heading, Icon } from "@aws-amplify/ui-react";
 import { Box } from "../../Box.js";
 import { Column } from "../QueryTable.js";
 import { DownloadAction } from "./DownloadAction.js";
 import { FilterAction, InternalFilter } from "./FilterAction/FilterAction.js";
 import { ColumnVisibilityAction } from "./ColumnVisibilityAction.js";
 import { Density, DensityAction } from "./DensityAction.js";
+import { MdRefresh } from "react-icons/md";
 
 interface ActionBarProps<T> {
   columns: Column<T>[];
   columnVisibility: Record<string, boolean>;
   density: Density;
   disableMultiFilter: boolean;
+  disableRefresh: boolean;
   download: boolean;
   downloadFileName: string;
   filters: InternalFilter[];
@@ -20,6 +22,8 @@ interface ActionBarProps<T> {
   onChangeColumnVisibility: (columnVisibility: Record<string, boolean>) => void;
   onChangeDensity: (density: Density) => void;
   onFilter: (filters: InternalFilter[]) => void;
+  onRefresh: () => void;
+  refreshRef?: MutableRefObject<HTMLButtonElement | null>;
   rows: Record<string, string>[];
   ActionMenu?: ReactElement;
 }
@@ -33,6 +37,7 @@ export function ActionBar<T>(props: ActionBarProps<T>): ReactElement {
     columnVisibility,
     density,
     disableMultiFilter,
+    disableRefresh,
     download,
     downloadFileName,
     filters,
@@ -41,6 +46,8 @@ export function ActionBar<T>(props: ActionBarProps<T>): ReactElement {
     onChangeColumnVisibility: handleChangeColumnVisibility,
     onChangeDensity: handleChangeDensity,
     onFilter,
+    onRefresh,
+    refreshRef,
     rows,
     ActionMenu,
   } = props;
@@ -59,6 +66,11 @@ export function ActionBar<T>(props: ActionBarProps<T>): ReactElement {
     >
       {heading ? <Heading level={3}>{heading}</Heading> : <Heading />}
       <Box css={{ display: "flex", gap: "$2" }}>
+        {!disableRefresh && (
+          <Button ref={refreshRef} size="large" onClick={onRefresh}>
+            <Icon ariaLabel="columns" as={MdRefresh} />
+          </Button>
+        )}
         {filterColumns.length && (
           <FilterAction
             disableMultiFilter={disableMultiFilter}
diff --git a/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/FilterRow.tsx b/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/FilterRow.tsx
index b5654632..1aacf997 100644
--- a/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/FilterRow.tsx
+++ b/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/FilterRow.tsx
@@ -1,4 +1,10 @@
-import { ChangeEventHandler, ReactElement, useCallback, useState } from "react";
+import {
+  ChangeEventHandler,
+  ReactElement,
+  useCallback,
+  useEffect,
+  useState,
+} from "react";
 import { Button, Icon, SelectField } from "@aws-amplify/ui-react";
 import { MdCheck, MdDelete } from "react-icons/md";
 import { FilterValue as FilterValueComponent } from "./FilterValue.js";
@@ -34,14 +40,21 @@ export function FilterRow({
   const handleChangeColumn: ChangeEventHandler<HTMLSelectElement> = useCallback(
     (e) => {
       setDirty(true);
-      handleUpdateFilter(id, {
+      const newFilter: InternalFilter = {
         ...filter,
         column: e.target.value,
         comparator: "",
         value: "",
-      });
+      };
+      const newComparators =
+        filterColumnsObj[e.target.value]?.filterOptions?.comparators || [];
+      // if there is only 1 comparator for the column, pre-select it for user
+      if (!filter.comparator && newComparators.length === 1) {
+        newFilter.comparator = newComparators[0].value;
+      }
+      handleUpdateFilter(id, newFilter);
     },
-    [filter, handleUpdateFilter, id]
+    [filter, filterColumnsObj, handleUpdateFilter, id]
   );
   const handleChangeComparator: ChangeEventHandler<HTMLSelectElement> =
     useCallback(
@@ -67,6 +80,16 @@ export function FilterRow({
     handleUpdateFilter(id, { ...filter, value });
     setDirty(false);
   }, [filter, handleUpdateFilter, id, value]);
+  useEffect(() => {
+    // if only 1 comparator option, pre-select it
+    if (!filter.comparator && filterOptions?.comparators.length === 1) {
+      handleUpdateFilter(id, {
+        ...filter,
+        comparator: filterOptions?.comparators[0].value,
+        value: "",
+      });
+    }
+  }, [filter, filterOptions?.comparators, handleUpdateFilter, id]);
   return (
     <>
       <SelectField
diff --git a/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/NewFilterRow.tsx b/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/NewFilterRow.tsx
index 46320e78..f26cfc9d 100644
--- a/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/NewFilterRow.tsx
+++ b/packages/gboost-ui/src/QueryTable/ActionBar/FilterAction/NewFilterRow.tsx
@@ -1,4 +1,5 @@
 import {
+  ChangeEventHandler,
   ReactElement,
   useCallback,
   useLayoutEffect,
@@ -43,13 +44,31 @@ export function NewFilterRow({
     onCreateFilter({ ...filter, id: randomId() });
     setFilter(initFilter);
   }, [filter, onCreateFilter]);
+  const handleChangeColumn: ChangeEventHandler<HTMLSelectElement> = useCallback(
+    (e) => {
+      setFilter((f) => {
+        const newFilter: InternalFilter = {
+          ...filter,
+          column: e.target.value,
+        };
+        const newComparators =
+          filterColumnsObj[e.target.value]?.filterOptions?.comparators || [];
+        // if there is only 1 comparator for the column, pre-select it for user
+        if (!filter.comparator && newComparators.length === 1) {
+          newFilter.comparator = newComparators[0].value;
+        }
+        return newFilter;
+      });
+    },
+    [filter, filterColumnsObj]
+  );
   return (
     <>
       <SelectField
         ref={columnRef}
         label="Column"
         labelHidden
-        onChange={(e) => setFilter((f) => ({ ...f, column: e.target.value }))}
+        onChange={handleChangeColumn}
         placeholder="Column"
         value={filter.column}
       >
diff --git a/packages/gboost-ui/src/QueryTable/QueryTable.tsx b/packages/gboost-ui/src/QueryTable/QueryTable.tsx
index efca3be4..ecc5d173 100644
--- a/packages/gboost-ui/src/QueryTable/QueryTable.tsx
+++ b/packages/gboost-ui/src/QueryTable/QueryTable.tsx
@@ -1,4 +1,5 @@
 import {
+  MutableRefObject,
   ReactElement,
   Reducer,
   useCallback,
@@ -76,6 +77,10 @@ export interface OnQueryParams {
   nextToken: string;
   pageSize: number;
   sorts: Sort[];
+  /**
+   * True if query was invoked by refresh
+   */
+  refresh: boolean;
 }
 type OnQuerySuccessReturnValue = {
   rows: Row[];
@@ -90,11 +95,6 @@ export type OnQueryReturnValue =
 type SelectAction = "select" | "unselect";
 interface QueryTableProps<T> {
   columns: Column<T>[];
-  /**
-   * Number of placeholder rows that show when loading
-   * @default 10
-   */
-  countLoadingRows?: number;
   /**
    * @default false
    */
@@ -103,6 +103,11 @@ interface QueryTableProps<T> {
    * @default false
    */
   disableMultiFilter?: boolean;
+  /**
+   * Removes refresh button in QueryTable's Action Bar
+   * @default false
+   */
+  disableRefresh?: boolean;
   /**
    * Enable CSV file download
    * @default false
@@ -173,6 +178,10 @@ interface QueryTableProps<T> {
    * Function called upon update to selected rows
    */
   onSelect?: (action: SelectAction, rows: T[], selected: T[]) => void;
+  /**
+   * Ref to enable manually refreshing with refreshRef.click()
+   */
+  refreshRef?: MutableRefObject<HTMLButtonElement | null>;
   /**
    * Action Button Component placed on top right of table, often used for creating a row or
    * displaying an actions menu button for user to perform actions on selected
@@ -203,6 +212,7 @@ interface TableState<T> {
   pageSize: number;
   pageSizeOptions: number[];
   prevTokens: string[];
+  refresh: boolean; // if true, indicates query is from refresh
   rows: T[];
   selected: T[];
   sorts: Sort[];
@@ -235,7 +245,12 @@ function tableReducer<T>(
     case "changeDensity":
       return { ...state, density: action.density };
     case "changeError":
-      return { ...state, loading: false, errorMessage: action.message };
+      return {
+        ...state,
+        loading: false,
+        errorMessage: action.message,
+        refresh: false,
+      };
     case "changeLoading":
       return { ...state, loading: action.loading, errorMessage: "" };
     case "changePage":
@@ -274,6 +289,7 @@ function tableReducer<T>(
         rows: action.rows,
         nextNextToken: action.nextNextToken,
         loading: false,
+        refresh: false,
       };
     case "changeSelected":
       return {
@@ -283,8 +299,7 @@ function tableReducer<T>(
     case "filter":
       return { ...state, filters: action.filters };
     case "refresh":
-      // trigger useEffect to run again
-      return { ...state, filters: [...state.filters] };
+      return { ...state, refresh: true };
     case "sort":
       return { ...state, sorts: action.sorts };
     default:
@@ -306,9 +321,9 @@ export function QueryTable<T extends Record<string, any>>(
 ): ReactElement {
   const {
     columns = [],
-    countLoadingRows = 10,
     disableMultiSort = false,
     disableMultiFilter = false,
+    disableRefresh = false,
     download = false,
     downloadFileName = "data.csv",
     enableSelect = false,
@@ -325,6 +340,7 @@ export function QueryTable<T extends Record<string, any>>(
     onQuery,
     // eslint-disable-next-line @typescript-eslint/no-empty-function
     onSelect = (s) => {},
+    refreshRef,
     ActionButton,
     tableProps,
   } = props;
@@ -342,6 +358,7 @@ export function QueryTable<T extends Record<string, any>>(
       pageSize,
       pageSizeOptions,
       prevTokens,
+      refresh,
       rows,
       selected,
       sorts,
@@ -362,6 +379,7 @@ export function QueryTable<T extends Record<string, any>>(
     pageSize: initPageSize,
     pageSizeOptions: [10, 20, 50],
     prevTokens: [],
+    refresh: false,
     rows: [],
     selected: initSelected,
     sorts: initSorts,
@@ -379,6 +397,7 @@ export function QueryTable<T extends Record<string, any>>(
           nextToken,
           pageSize,
           sorts,
+          refresh,
         });
         if ("rows" in res) {
           dispatch({
@@ -398,7 +417,7 @@ export function QueryTable<T extends Record<string, any>>(
       }
     }
     fetchData();
-  }, [filters, nextToken, onQuery, pageSize, sorts]);
+  }, [filters, nextToken, onQuery, pageSize, refresh, sorts]);
   const handlePageChange = useCallback(async (newPage: number) => {
     dispatch({ type: "changePage", page: newPage });
   }, []);
@@ -412,7 +431,7 @@ export function QueryTable<T extends Record<string, any>>(
       <Box
         css={{ display: "flex", gap: "$1", flexDirection: "column", my: "$2" }}
       >
-        {[...Array(countLoadingRows)].map((e, i) => (
+        {[...Array(pageSize)].map((e, i) => (
           <StyledPlaceholder key={i} />
         ))}
       </Box>
@@ -499,6 +518,7 @@ export function QueryTable<T extends Record<string, any>>(
           columnVisibility={columnVisibility}
           density={density}
           disableMultiFilter={disableMultiFilter}
+          disableRefresh={disableRefresh}
           download={download}
           downloadFileName={downloadFileName}
           filters={filters}
@@ -511,11 +531,19 @@ export function QueryTable<T extends Record<string, any>>(
             dispatch({ type: "changeDensity", density })
           }
           onFilter={handleFilter}
+          onRefresh={() => dispatch({ type: "refresh" })}
+          refreshRef={refreshRef}
           rows={rows}
           ActionMenu={ActionButton}
         />
       )}
-      <StyledTable {...tableProps} css={{ gridTemplateColumns }}>
+      <StyledTable
+        {...tableProps}
+        css={{
+          gridTemplateColumns,
+          mb: !loading ? 55 * (pageSize - rows.length) : undefined,
+        }}
+      >
         <StyledTableHead>
           <StyledTableRow>
             {enableSelect && (
@@ -572,7 +600,6 @@ export function QueryTable<T extends Record<string, any>>(
       {spanTableEl}
       {!hidePagination && (
         <Pagination
-          css={{ mt: 55 * countLoadingRows }}
           disableNext={!nextNextToken}
           disablePrev={!prevTokens.length}
           onPageChange={handlePageChange}