diff --git a/packages/datalib/src/ChangeSet.ts b/packages/datalib/src/ChangeSet.ts
index 707db5db..4e564af3 100644
--- a/packages/datalib/src/ChangeSet.ts
+++ b/packages/datalib/src/ChangeSet.ts
@@ -9,7 +9,7 @@ import {
   AllowIdentityInsert,
   Expression,
 } from 'dbgate-sqltree';
-import type { NamedObjectInfo, DatabaseInfo } from 'dbgate-types';
+import type { NamedObjectInfo, DatabaseInfo, TableInfo } from 'dbgate-types';
 
 export interface ChangeSetItem {
   pureName: string;
@@ -21,7 +21,16 @@ export interface ChangeSetItem {
   fields?: { [column: string]: string };
 }
 
+export interface ChangeSetDataUpdateCommand {
+  type: 'renameField' | 'deleteField' | 'setField';
+  field: string;
+  value?: any;
+}
+
 export interface ChangeSet {
+  structure?: TableInfo;
+  dataUpdateCommands?: ChangeSetDataUpdateCommand[];
+  setColumnMode?: 'fixed' | 'variable';
   inserts: ChangeSetItem[];
   updates: ChangeSetItem[];
   deletes: ChangeSetItem[];
@@ -456,5 +465,12 @@ export function changeSetInsertDocuments(changeSet: ChangeSet, documents: any[],
 
 export function changeSetContainsChanges(changeSet: ChangeSet) {
   if (!changeSet) return false;
-  return changeSet.deletes.length > 0 || changeSet.updates.length > 0 || changeSet.inserts.length > 0;
+  return (
+    changeSet.deletes.length > 0 ||
+    changeSet.updates.length > 0 ||
+    changeSet.inserts.length > 0 ||
+    !!changeSet.structure ||
+    !!changeSet.setColumnMode ||
+    changeSet.dataUpdateCommands?.length > 0
+  );
 }
diff --git a/packages/datalib/src/GridDisplay.ts b/packages/datalib/src/GridDisplay.ts
index 4f505ebc..9a7fc770 100644
--- a/packages/datalib/src/GridDisplay.ts
+++ b/packages/datalib/src/GridDisplay.ts
@@ -84,6 +84,7 @@ export abstract class GridDisplay {
     return this.baseTable || this.baseView;
   }
   changeSetKeyFields: string[] = null;
+  editableStructure: TableInfo = null;
   sortable = false;
   groupable = false;
   filterable = false;
diff --git a/packages/datalib/src/JslGridDisplay.ts b/packages/datalib/src/JslGridDisplay.ts
index 9a34f490..030471be 100644
--- a/packages/datalib/src/JslGridDisplay.ts
+++ b/packages/datalib/src/JslGridDisplay.ts
@@ -24,6 +24,7 @@ export class JslGridDisplay extends GridDisplay {
     this.isDynamicStructure = isDynamicStructure;
     this.filterTypeOverride = 'eval';
     this.editable = editable;
+    this.editableStructure = editable ? structure : null;
 
     if (structure?.columns) {
       this.columns = _.uniqBy(
diff --git a/packages/web/src/datagrid/ColumnManager.svelte b/packages/web/src/datagrid/ColumnManager.svelte
index 896295da..1957f6e9 100644
--- a/packages/web/src/datagrid/ColumnManager.svelte
+++ b/packages/web/src/datagrid/ColumnManager.svelte
@@ -1,6 +1,6 @@
 <script lang="ts">
   import _, { indexOf, range } from 'lodash';
-  import { GridDisplay } from 'dbgate-datalib';
+  import { ChangeSet, DisplayColumn, GridDisplay } from 'dbgate-datalib';
   import { filterName } from 'dbgate-tools';
   import CloseSearchButton from '../buttons/CloseSearchButton.svelte';
 
@@ -14,6 +14,9 @@
   import keycodes from '../utility/keycodes';
   import ColumnManagerRow from './ColumnManagerRow.svelte';
   import { copyTextToClipboard } from '../utility/clipboard';
+  import SelectField from '../forms/SelectField.svelte';
+  import ColumnEditorModal from '../tableeditor/ColumnEditorModal.svelte';
+  import { tick } from 'svelte';
 
   export let managerSize;
   export let display: GridDisplay;
@@ -21,6 +24,9 @@
   export let isDynamicStructure = false;
   export let conid;
   export let database;
+  export let allowChangeChangeSetStructure = false;
+  export let changeSetState: { value: ChangeSet } = null;
+  export let dispatchChangeSet = null;
 
   let filter;
   let domFocusField;
@@ -103,8 +109,44 @@
     selectedColumns = value;
     if (value.length > 0) currentColumnUniqueName = value[0];
   }
+
+  $: tableInfo = display?.editableStructure;
+  $: setTableInfo = updFunc => {
+    const structure = updFunc(display?.editableStructure);
+    dispatchChangeSet({
+      type: 'set',
+      value: {
+        ...changeSetState?.value,
+        structure,
+      },
+    });
+  };
+
+  function handleAddColumn() {
+    showModal(ColumnEditorModal, {
+      setTableInfo,
+      tableInfo,
+      onAddNext: async () => {
+        await tick();
+        handleAddColumn();
+      },
+    });
+  }
 </script>
 
+{#if allowChangeChangeSetStructure}
+  <div class="selectwrap">
+    <SelectField
+      isNative
+      class="colmode"
+      value="fixed"
+      options={[
+        { label: 'Fixed columns (like SQL)', value: 'fixed' },
+        { label: 'Variable columns (like MongoDB)', value: 'variable' },
+      ]}
+    />
+  </div>
+{/if}
 <SearchBoxWrapper>
   <SearchInput placeholder="Search columns" bind:value={filter} />
   <CloseSearchButton bind:filter />
@@ -122,6 +164,9 @@
       }}>Add</InlineButton
     >
   {/if}
+  {#if allowChangeChangeSetStructure}
+    <InlineButton on:click={handleAddColumn}>Add</InlineButton>
+  {/if}
   <InlineButton on:click={() => display.hideAllColumns()}>Hide</InlineButton>
   <InlineButton on:click={() => display.showAllColumns()}>Show</InlineButton>
 </SearchBoxWrapper>
@@ -139,12 +184,18 @@
   />
 
   {#each items as column (column.uniqueName)}
+    {@const columnIndex = items.indexOf(column)}
     <ColumnManagerRow
       {display}
       {column}
       {isJsonView}
       {conid}
       {database}
+      {tableInfo}
+      {setTableInfo}
+      columnInfo={tableInfo?.columns?.[columnIndex]}
+      {columnIndex}
+      {allowChangeChangeSetStructure}
       isSelected={selectedColumns.includes(column.uniqueName) || currentColumnUniqueName == column.uniqueName}
       on:click={() => {
         if (domFocusField) domFocusField.focus();
@@ -198,4 +249,14 @@
     left: -1000px;
     top: -1000px;
   }
+
+  .selectwrap :global(select) {
+    flex: 1;
+    padding: 3px 0px;
+    border: none;
+  }
+
+  .selectwrap {
+    border-bottom: 1px solid var(--theme-border);
+  }
 </style>
diff --git a/packages/web/src/datagrid/ColumnManagerRow.svelte b/packages/web/src/datagrid/ColumnManagerRow.svelte
index 06ee30bc..ded11ca4 100644
--- a/packages/web/src/datagrid/ColumnManagerRow.svelte
+++ b/packages/web/src/datagrid/ColumnManagerRow.svelte
@@ -4,6 +4,8 @@
   import FontIcon from '../icons/FontIcon.svelte';
   import ColumnLabel from '../elements/ColumnLabel.svelte';
   import { createEventDispatcher } from 'svelte';
+  import { showModal } from '../modals/modalTools';
+  import ColumnEditorModal from '../tableeditor/ColumnEditorModal.svelte';
 
   export let column;
   export let display;
@@ -12,6 +14,26 @@
   export let conid;
   export let database;
 
+  export let tableInfo;
+  export let setTableInfo;
+
+  export let columnInfo = null;
+  export let columnIndex = -1;
+
+  export let allowChangeChangeSetStructure = false;
+
+  function handleEditColumn() {
+    showModal(ColumnEditorModal, { columnInfo, tableInfo, setTableInfo });
+  }
+
+  function exchange(array, i1, i2) {
+    const i1r = (i1 + array.length) % array.length;
+    const i2r = (i2 + array.length) % array.length;
+    const res = [...array];
+    [res[i1r], res[i2r]] = [res[i2r], res[i1r]];
+    return res;
+  }
+
   const dispatch = createEventDispatcher();
 </script>
 
@@ -29,32 +51,63 @@
   on:mousemove
   on:mouseup
 >
-  <span class="expandColumnIcon" style={`margin-right: ${5 + (column.uniquePath.length - 1) * 10}px`}>
-    <FontIcon
-      icon={column.isExpandable ? plusExpandIcon(display.isExpandedColumn(column.uniqueName)) : 'icon invisible-box'}
-      on:click={() => display.toggleExpandedColumn(column.uniqueName)}
-    />
-  </span>
-  {#if isJsonView}
-    <FontIcon icon="img column" />
-  {:else}
-    <input
-      type="checkbox"
-      checked={column.isChecked}
-      on:click={e => {
-        e.stopPropagation();
-      }}
-      on:mousedown={e => {
-        e.stopPropagation();
-      }}
-      on:change={() => {
-        const newValue = !column.isChecked;
-        display.setColumnVisibility(column.uniquePath, newValue);
-        dispatch('setvisibility', newValue);
-      }}
-    />
+  <div>
+    <span class="expandColumnIcon" style={`margin-right: ${5 + (column.uniquePath.length - 1) * 10}px`}>
+      <FontIcon
+        icon={column.isExpandable ? plusExpandIcon(display.isExpandedColumn(column.uniqueName)) : 'icon invisible-box'}
+        on:click={() => display.toggleExpandedColumn(column.uniqueName)}
+      />
+    </span>
+    {#if isJsonView}
+      <FontIcon icon="img column" />
+    {:else}
+      <input
+        type="checkbox"
+        checked={column.isChecked}
+        on:click={e => {
+          e.stopPropagation();
+        }}
+        on:mousedown={e => {
+          e.stopPropagation();
+        }}
+        on:change={() => {
+          const newValue = !column.isChecked;
+          display.setColumnVisibility(column.uniquePath, newValue);
+          dispatch('setvisibility', newValue);
+        }}
+      />
+    {/if}
+    <ColumnLabel {...column} showDataType {conid} {database} />
+  </div>
+
+  {#if allowChangeChangeSetStructure}
+    <div class="nowrap">
+      <span class="icon" on:click={handleEditColumn}>
+        <FontIcon icon="icon edit" />
+      </span>
+      <span
+        class="icon"
+        on:click={() =>
+          setTableInfo(info => ({ ...info, columns: info.columns.filter(x => x.pairingId != columnInfo?.pairingId) }))}
+      >
+        <FontIcon icon="icon delete" />
+      </span>
+      <span
+        class="icon"
+        on:click={() =>
+          setTableInfo(info => ({ ...info, columns: exchange(info.columns, columnIndex, columnIndex - 1) }))}
+      >
+        <FontIcon icon="icon arrow-up" />
+      </span>
+      <span
+        class="icon"
+        on:click={() =>
+          setTableInfo(info => ({ ...info, columns: exchange(info.columns, columnIndex, columnIndex + 1) }))}
+      >
+        <FontIcon icon="icon arrow-down" />
+      </span>
+    </div>
   {/if}
-  <ColumnLabel {...column} showDataType {conid} {database} />
 </div>
 
 <style>
@@ -63,6 +116,8 @@
     margin-right: 5px;
     cursor: pointer;
     white-space: nowrap;
+    display: flex;
+    justify-content: space-between;
   }
   .row:hover {
     background: var(--theme-bg-hover);
@@ -71,4 +126,13 @@
   .row.isSelected {
     background: var(--theme-bg-selected);
   }
+
+  .icon {
+    position: relative;
+    /* top: 5px;
+    padding: 5px; */
+  }
+  .icon:hover {
+    background-color: var(--theme-bg-3);
+  }
 </style>
diff --git a/packages/web/src/datagrid/JslDataGrid.svelte b/packages/web/src/datagrid/JslDataGrid.svelte
index 6ae1a2a3..1a52767e 100644
--- a/packages/web/src/datagrid/JslDataGrid.svelte
+++ b/packages/web/src/datagrid/JslDataGrid.svelte
@@ -1,5 +1,6 @@
 <script lang="ts">
   import { createGridCache, createGridConfig, JslGridDisplay } from 'dbgate-datalib';
+  import { generateTablePairingId } from 'dbgate-tools';
   import { writable } from 'svelte/store';
   import JslFormView from '../formview/JslFormView.svelte';
   import { apiOff, apiOn, useApiCall } from '../utility/api';
@@ -16,6 +17,8 @@
   export let changeSetStore = null;
   export let dispatchChangeSet = null;
 
+  export let allowChangeChangeSetStructure = false;
+
   let loadedRows;
   let infoCounter = 0;
 
@@ -44,7 +47,7 @@
 
   $: display = new JslGridDisplay(
     jslid,
-    $info,
+    (allowChangeChangeSetStructure && changeSetState?.value?.structure) || generateTablePairingId($info),
     $config,
     config.update,
     $cache,
@@ -71,5 +74,6 @@
     {changeSetState}
     {changeSetStore}
     {dispatchChangeSet}
+    {allowChangeChangeSetStructure}
   />
 {/key}
diff --git a/packages/web/src/tableeditor/ColumnEditorModal.svelte b/packages/web/src/tableeditor/ColumnEditorModal.svelte
index 77e8d3c6..a2975630 100644
--- a/packages/web/src/tableeditor/ColumnEditorModal.svelte
+++ b/packages/web/src/tableeditor/ColumnEditorModal.svelte
@@ -13,10 +13,10 @@
   import { editorAddColumn, editorDeleteColumn, editorModifyColumn, fillEditorColumnInfo } from 'dbgate-tools';
 
   export let columnInfo;
-  export let setTableInfo;
-  export let tableInfo;
+  export let setTableInfo = null;
+  export let tableInfo = null;
   export let onAddNext;
-  export let driver;
+  export let driver = null;
 </script>
 
 <FormProvider initialValues={fillEditorColumnInfo(columnInfo || {}, tableInfo)}>
@@ -31,7 +31,10 @@
     <FormCheckboxField name="notNull" label="NOT NULL" />
     <FormCheckboxField name="isPrimaryKey" label="Is Primary Key" />
     <FormCheckboxField name="autoIncrement" label="Is Autoincrement" />
-    <FormTextField name="defaultValue" label="Default value. Please use valid SQL expression, eg. 'Hello World' for string value, '' for empty string" />
+    <FormTextField
+      name="defaultValue"
+      label="Default value. Please use valid SQL expression, eg. 'Hello World' for string value, '' for empty string"
+    />
     <FormTextField name="computedExpression" label="Computed expression" />
     {#if driver?.dialect?.columnProperties?.isUnsigned}
       <FormCheckboxField name="isUnsigned" label="Unsigned" />
diff --git a/packages/web/src/tabs/ArchiveFileTab.svelte b/packages/web/src/tabs/ArchiveFileTab.svelte
index 868404c2..0f644191 100644
--- a/packages/web/src/tabs/ArchiveFileTab.svelte
+++ b/packages/web/src/tabs/ArchiveFileTab.svelte
@@ -87,6 +87,7 @@
   <JslDataGrid
     jslid={jslid || `archive://${archiveFolder}/${archiveFile}`}
     supportsReload
+    allowChangeChangeSetStructure
     changeSetState={$changeSetStore}
     focusOnVisible
     {changeSetStore}