diff --git a/packages/datalib/src/PerspectiveConfig.ts b/packages/datalib/src/PerspectiveConfig.ts
index 2067c8188..a3e836d0f 100644
--- a/packages/datalib/src/PerspectiveConfig.ts
+++ b/packages/datalib/src/PerspectiveConfig.ts
@@ -4,6 +4,19 @@ export interface PerspectiveConfigColumns {
   uncheckedColumns: string[];
 }
 
+export interface PerspectiveCustomJoinConfig {
+  joinid: string;
+  joinName: string;
+  baseUniqueName: string;
+  conid?: string;
+  database?: string;
+  refSchemaName?: string;
+  refTableName: string;
+  columns: {
+    baseColumnName: string;
+    refColumnName: string;
+  }[];
+}
 export interface PerspectiveConfig extends PerspectiveConfigColumns {
   filters: { [uniqueName: string]: string };
   sort: {
@@ -12,6 +25,7 @@ export interface PerspectiveConfig extends PerspectiveConfigColumns {
       order: 'ASC' | 'DESC';
     }[];
   };
+  customJoins: PerspectiveCustomJoinConfig[];
 }
 
 export function createPerspectiveConfig(): PerspectiveConfig {
@@ -19,6 +33,7 @@ export function createPerspectiveConfig(): PerspectiveConfig {
     expandedColumns: [],
     checkedColumns: [],
     uncheckedColumns: [],
+    customJoins: [],
     filters: {},
     sort: {},
   };
diff --git a/packages/datalib/src/PerspectiveTreeNode.ts b/packages/datalib/src/PerspectiveTreeNode.ts
index efc19c4d6..960b33260 100644
--- a/packages/datalib/src/PerspectiveTreeNode.ts
+++ b/packages/datalib/src/PerspectiveTreeNode.ts
@@ -203,6 +203,20 @@ export abstract class PerspectiveTreeNode {
           { columnName: table?.columns[0].columnName, order: 'ASC' },
         ];
   }
+
+  getBaseTables() {
+    const res = [];
+    const table = this.getBaseTableFromThis();
+    if (table) res.push({ table, node: this });
+    for (const child of this.childNodes) {
+      if (!child.isChecked) continue;
+      res.push(...child.getBaseTables());
+    }
+    return res;
+  }
+  getBaseTableFromThis() {
+    return null;
+  }
 }
 
 export class PerspectiveTableColumnNode extends PerspectiveTreeNode {
@@ -311,6 +325,10 @@ export class PerspectiveTableColumnNode extends PerspectiveTreeNode {
     );
   }
 
+  getBaseTableFromThis() {
+    return this.refTable;
+  }
+
   parseFilterCondition() {
     const filter = this.getFilter();
     if (!filter) return null;
@@ -380,6 +398,10 @@ export class PerspectiveTableNode extends PerspectiveTreeNode {
   get icon() {
     return 'img table';
   }
+
+  getBaseTableFromThis() {
+    return this.table;
+  }
 }
 
 export class PerspectiveViewNode extends PerspectiveTreeNode {
@@ -433,6 +455,10 @@ export class PerspectiveViewNode extends PerspectiveTreeNode {
   get icon() {
     return 'img table';
   }
+
+  getBaseTableFromThis() {
+    return this.view;
+  }
 }
 
 export class PerspectiveTableReferenceNode extends PerspectiveTableNode {
diff --git a/packages/web/src/icons/FontIcon.svelte b/packages/web/src/icons/FontIcon.svelte
index dedaa49f0..96ddeaf07 100644
--- a/packages/web/src/icons/FontIcon.svelte
+++ b/packages/web/src/icons/FontIcon.svelte
@@ -94,6 +94,7 @@
     'icon add': 'mdi mdi-plus-circle',
     'icon json': 'mdi mdi-code-json',
     'icon lock': 'mdi mdi-lock',
+    'icon custom-join': 'mdi mdi-arrow-left-right-bold',
 
     'icon run': 'mdi mdi-play',
     'icon chevron-down': 'mdi mdi-chevron-down',
diff --git a/packages/web/src/impexp/FormConnectionSelect.svelte b/packages/web/src/impexp/FormConnectionSelect.svelte
index c87d144c4..0f71c9925 100644
--- a/packages/web/src/impexp/FormConnectionSelect.svelte
+++ b/packages/web/src/impexp/FormConnectionSelect.svelte
@@ -12,7 +12,7 @@
     ...(allowChooseModel ? [{ label: '(DB Model)', value: '__model' }] : []),
     ..._.sortBy(
       ($connections || [])
-        .filter(conn => (direction == 'target' ? !conn.isReadOnly : true))
+        .filter(conn => !conn.unsaved && (direction == 'target' ? !conn.isReadOnly : true))
         .map(conn => ({
           value: conn._id,
           label: getConnectionLabel(conn),
diff --git a/packages/web/src/perspectives/CustomJoinModal.svelte b/packages/web/src/perspectives/CustomJoinModal.svelte
new file mode 100644
index 000000000..d7747b66b
--- /dev/null
+++ b/packages/web/src/perspectives/CustomJoinModal.svelte
@@ -0,0 +1,343 @@
+<script lang="ts">
+  import FormStyledButton from '../buttons/FormStyledButton.svelte';
+
+  import FormProvider from '../forms/FormProvider.svelte';
+  import FormSubmit from '../forms/FormSubmit.svelte';
+  import ModalBase from '../modals/ModalBase.svelte';
+  import { closeCurrentModal } from '../modals/modalTools';
+  import { fullNameFromString, fullNameToLabel, fullNameToString } from 'dbgate-tools';
+  import SelectField from '../forms/SelectField.svelte';
+  import _ from 'lodash';
+  import { useConnectionList, useDatabaseInfo, useDatabaseList, useTableInfo } from '../utility/metadataLoaders';
+  import { onMount, tick } from 'svelte';
+  import TargetApplicationSelect from '../forms/TargetApplicationSelect.svelte';
+  import { apiCall } from '../utility/api';
+  import { saveDbToApp } from '../utility/appTools';
+  import { ChangePerspectiveConfigFunc, PerspectiveConfig, PerspectiveTreeNode } from 'dbgate-datalib';
+  import FormConnectionSelect from '../impexp/FormConnectionSelect.svelte';
+  import FormDatabaseSelect from '../impexp/FormDatabaseSelect.svelte';
+  import getConnectionLabel from '../utility/getConnectionLabel';
+  import uuidv1 from 'uuid/v1';
+  import TextField from '../forms/TextField.svelte';
+
+  export let conid;
+  export let database;
+  export let root: PerspectiveTreeNode;
+  export let setConfig: ChangePerspectiveConfigFunc;
+  export let config: PerspectiveConfig;
+
+  let conidOverride = null;
+  let databaseOverride = null;
+  let joinid = uuidv1();
+
+  $: fromDbInfo = useDatabaseInfo({
+    conid,
+    database,
+  });
+  //   $: fromTableInfo = useTableInfo({
+  //     conid: conidOverride || conid,
+  //     database: databaseOverride || database,
+  //     schemaName: fromSchemaName,
+  //     pureName: fromTableName,
+  //   });
+
+  $: refDbInfo = useDatabaseInfo({
+    conid: conidOverride || conid,
+    database: databaseOverride || database,
+  });
+  $: refTableInfo = useTableInfo({
+    conid: conidOverride || conid,
+    database: databaseOverride || database,
+    schemaName: refSchemaName,
+    pureName: refTableName,
+  });
+
+  let columns = [];
+  //   let fromTableName = pureName;
+  //   let fromSchemaName = schemaName;
+  let fromUniuqeName = root.uniqueName;
+  let refTableName = null;
+  let refSchemaName = null;
+  let joinName;
+
+  onMount(() => {
+    let index = 1;
+    while (config.customJoins?.find(x => x.joinName == `Custom join ${index}`)) {
+      index += 1;
+    }
+    joinName = `Custom join ${index}`;
+  });
+
+  //   $: fromTableList = [
+  //     ..._.sortBy($fromDbInfo?.tables || [], ['schemaName', 'pureName']),
+  //     // ..._.sortBy($dbInfo?.views || [], ['schemaName', 'pureName']),
+  //   ];
+  $: refTableList = [
+    ..._.sortBy($refDbInfo?.tables || [], ['schemaName', 'pureName']),
+    // ..._.sortBy($dbInfo?.views || [], ['schemaName', 'pureName']),
+  ];
+
+  let refTableOptions = [];
+  let fromTableOptions = [];
+
+  $: connections = useConnectionList();
+  $: connectionOptions = [
+    { value: null, label: 'The same as root' },
+    ..._.sortBy(
+      ($connections || [])
+        .filter(x => !x.unsaved)
+        .map(conn => ({
+          value: conn._id,
+          label: getConnectionLabel(conn),
+        })),
+      'label'
+    ),
+  ];
+
+  // $: fromTable = $fromDbInfo?.tables?.find(x => x.pureName == fromTableName && x.schemaName == fromSchemaName);
+
+  $: databases = useDatabaseList({ conid: conidOverride || conid });
+
+  $: databaseOptions = [
+    { value: null, label: 'The same as root' },
+    ..._.sortBy(
+      ($databases || []).map(db => ({
+        value: db.name,
+        label: db.name,
+      })),
+      'label'
+    ),
+  ];
+
+  $: fromTableList = root.getBaseTables();
+  $: fromTableInfo = fromTableList?.find(x => x.node.uniqueName == fromUniuqeName)?.table;
+
+  $: (async () => {
+    // without this has svelte problem, doesn't invalidate SelectField options
+    await tick();
+    // to replicate try to invoke VFK editor after page refresh, when active widget without DB, eg. application layers
+    // and comment line above. Tables list in vFK editor will be empty
+
+    fromTableOptions = fromTableList.map(tbl => ({
+      label: fullNameToLabel(tbl.table),
+      value: tbl.node.uniqueName,
+    }));
+
+    refTableOptions = refTableList.map(tbl => ({
+      label: fullNameToLabel(tbl),
+      value: fullNameToString(tbl),
+    }));
+  })();
+  // $: refTableInfo = tableList.find(x => x.pureName == refTableName && x.schemaName == refSchemaName);
+  // $dbInfo?.views?.find(x => x.pureName == refTableName && x.schemaName == refSchemaName);
+
+  // $: console.log('conid, database', conid, database);
+  // $: console.log('$dbInfo?.tables', $dbInfo?.tables);
+  // $: console.log('tableList', tableList);
+  // $: console.log('tableOptions', tableOptions);
+</script>
+
+<FormProvider>
+  <ModalBase {...$$restProps}>
+    <svelte:fragment slot="header">Define custom join</svelte:fragment>
+
+    <div class="largeFormMarker">
+      <div class="row">
+        <div class="label col-3">Join name</div>
+        <div class="col-9">
+          <TextField
+            value={joinName}
+            options={fromTableOptions}
+            on:change={e => {
+              joinName = e.target['value'];
+            }}
+          />
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="label col-3">Base table</div>
+        <div class="col-9">
+          <SelectField
+            value={fromUniuqeName}
+            isNative
+            notSelected
+            options={fromTableOptions}
+            on:change={e => {
+              if (e.detail) {
+                fromUniuqeName = e.detail;
+              }
+            }}
+          />
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="label col-3">Connection</div>
+        <div class="col-9">
+          <SelectField
+            value={conidOverride}
+            isNative
+            options={connectionOptions}
+            on:change={e => {
+              conidOverride = e.detail;
+            }}
+          />
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="label col-3">Database</div>
+        <div class="col-9">
+          <SelectField
+            value={databaseOverride}
+            isNative
+            options={databaseOptions}
+            on:change={e => {
+              databaseOverride = e.detail;
+            }}
+          />
+        </div>
+      </div>
+
+      <!-- <FormConnectionSelect name="conid" label="Server" {direction} />
+      <FormDatabaseSelect conidName={connectionIdField} name={databaseNameField} label="Database" /> -->
+
+      <div class="row">
+        <div class="label col-3">Referenced table</div>
+        <div class="col-9">
+          <SelectField
+            value={fullNameToString({ pureName: refTableName, schemaName: refSchemaName })}
+            isNative
+            notSelected
+            options={refTableOptions}
+            on:change={e => {
+              if (e.detail) {
+                const name = fullNameFromString(e.detail);
+                refTableName = name.pureName;
+                refSchemaName = name.schemaName;
+                const refTable = $refDbInfo?.tables?.find(
+                  x => x.pureName == refTableName && x.schemaName == refSchemaName
+                );
+                columns = refTable?.primaryKey?.columns?.map(col => ({
+                  refColumnName: col.columnName,
+                }));
+              }
+            }}
+          />
+        </div>
+      </div>
+
+      <div class="row">
+        <div class="col-5 mr-1">
+          Base column - {fromTableInfo?.pureName}
+        </div>
+        <div class="col-5 ml-1">
+          Ref column - {refTableName || '(table not set)'}
+        </div>
+      </div>
+
+      {#each columns as column, index}
+        <div class="row">
+          <div class="col-5 mr-1">
+            {#key column.columnName}
+              <SelectField
+                value={column.columnName}
+                isNative
+                notSelected
+                options={(fromTableInfo?.columns || []).map(col => ({
+                  label: col.columnName,
+                  value: col.columnName,
+                }))}
+                on:change={e => {
+                  if (e.detail) {
+                    columns = columns.map((col, i) => (i == index ? { ...col, columnName: e.detail } : col));
+                  }
+                }}
+              />
+            {/key}
+          </div>
+          <div class="col-5 ml-1">
+            {#key column.refColumnName}
+              <SelectField
+                value={column.refColumnName}
+                isNative
+                notSelected
+                options={($refTableInfo?.columns || []).map(col => ({
+                  label: col.columnName,
+                  value: col.columnName,
+                }))}
+                on:change={e => {
+                  if (e.detail) {
+                    columns = columns.map((col, i) => (i == index ? { ...col, refColumnName: e.detail } : col));
+                  }
+                }}
+              />
+            {/key}
+          </div>
+          <div class="col-2 button">
+            <FormStyledButton
+              value="Delete"
+              on:click={e => {
+                const x = [...columns];
+                x.splice(index, 1);
+                columns = x;
+              }}
+            />
+          </div>
+        </div>
+      {/each}
+
+      <FormStyledButton
+        type="button"
+        value="Add column"
+        on:click={() => {
+          columns = [...columns, {}];
+        }}
+      />
+    </div>
+
+    <svelte:fragment slot="footer">
+      <FormSubmit
+        value={'Save'}
+        on:click={async () => {
+          setConfig(cfg => ({
+            ...cfg,
+            customJoins: [
+              ...(cfg.customJoins || []),
+              {
+                baseUniqueName: fromUniuqeName,
+                refTableName,
+                refSchemaName,
+                columns: columns.map(col => ({
+                  baseColumnName: col.columnName,
+                  refColumnName: col.refColumnName,
+                })),
+              },
+            ],
+          }));
+          closeCurrentModal();
+        }}
+      />
+
+      <FormStyledButton type="button" value="Close" on:click={closeCurrentModal} />
+    </svelte:fragment>
+  </ModalBase>
+</FormProvider>
+
+<style>
+  .row {
+    margin: var(--dim-large-form-margin);
+    display: flex;
+  }
+
+  .row .label {
+    white-space: nowrap;
+    align-self: center;
+  }
+
+  .button {
+    align-self: center;
+    text-align: right;
+  }
+</style>
diff --git a/packages/web/src/perspectives/PerspectiveTable.svelte b/packages/web/src/perspectives/PerspectiveTable.svelte
index c6909aa66..ed7c7e18d 100644
--- a/packages/web/src/perspectives/PerspectiveTable.svelte
+++ b/packages/web/src/perspectives/PerspectiveTable.svelte
@@ -155,6 +155,9 @@
       {
         command: 'perspective.openJson',
       },
+      {
+        command: 'perspective.customJoin',
+      },
     ];
   }
 
diff --git a/packages/web/src/perspectives/PerspectiveView.svelte b/packages/web/src/perspectives/PerspectiveView.svelte
index 19745a4e1..6e63d14dd 100644
--- a/packages/web/src/perspectives/PerspectiveView.svelte
+++ b/packages/web/src/perspectives/PerspectiveView.svelte
@@ -1,3 +1,18 @@
+<script lang="ts" context="module">
+  const getCurrentEditor = () => getActiveComponent('PerspectiveView');
+
+  registerCommand({
+    id: 'perspective.customJoin',
+    category: 'Perspective',
+    name: 'Custom join',
+    keyText: 'CtrlOrCommand+J',
+    isRelatedToTab: true,
+    icon: 'icon custom-join',
+    testEnabled: () => getCurrentEditor() != null,
+    onClick: () => getCurrentEditor().defineCustomJoin(),
+  });
+</script>
+
 <script lang="ts">
   import {
     getTableChildPerspectiveNodes,
@@ -26,6 +41,10 @@
   import stableStringify from 'json-stable-stringify';
   import createRef from '../utility/createRef';
   import { tick } from 'svelte';
+  import createActivator, { getActiveComponent } from '../utility/createActivator';
+  import registerCommand from '../commands/registerCommand';
+  import { showModal } from '../modals/modalTools';
+  import CustomJoinModal from './CustomJoinModal.svelte';
 
   const dbg = debug('dbgate:PerspectiveView');
 
@@ -43,6 +62,8 @@
   let managerSize;
   let nextCacheRef = createRef(null);
 
+  export const activator = createActivator('PerspectiveView', true);
+
   $: if (managerSize) setLocalStorage('perspectiveManagerWidth', managerSize);
 
   function getInitialManagerSize() {
@@ -53,6 +74,17 @@
     return '300px';
   }
 
+  export function defineCustomJoin() {
+    if (!root) return;
+    showModal(CustomJoinModal, {
+      config,
+      setConfig,
+      conid,
+      database,
+      root,
+    });
+  }
+
   const dbInfo = useDatabaseInfo({ conid, database });
   const tableInfo = useTableInfo({ conid, database, schemaName, pureName });
   const viewInfo = useViewInfo({ conid, database, schemaName, pureName });
diff --git a/packages/web/src/tabs/PerspectiveTab.svelte b/packages/web/src/tabs/PerspectiveTab.svelte
index 38cbbf0de..3d45a0f1b 100644
--- a/packages/web/src/tabs/PerspectiveTab.svelte
+++ b/packages/web/src/tabs/PerspectiveTab.svelte
@@ -65,5 +65,6 @@
 
   <svelte:fragment slot="toolstrip">
     <ToolStripCommandButton command="perspective.refresh" />
+    <ToolStripCommandButton command="perspective.customJoin" />
   </svelte:fragment>
 </ToolStripContainer>