diff --git a/api/src/controllers/connections.js b/api/src/controllers/connections.js
index b7c8b2087..c09d15aea 100644
--- a/api/src/controllers/connections.js
+++ b/api/src/controllers/connections.js
@@ -52,8 +52,8 @@ module.exports = {
   },
 
   get_meta: 'get',
-  async get({ id }) {
-    const res = await this.datastore.find({ _id: id });
+  async get({ conid }) {
+    const res = await this.datastore.find({ _id: conid });
     return res[0];
   },
 };
diff --git a/api/src/controllers/databaseConnections.js b/api/src/controllers/databaseConnections.js
index 6be6b2d07..875e193bb 100644
--- a/api/src/controllers/databaseConnections.js
+++ b/api/src/controllers/databaseConnections.js
@@ -10,28 +10,28 @@ module.exports = {
   opened: [],
   requests: {},
 
-  handle_structure(id, database, { structure }) {
-    const existing = this.opened.find(x => x.id == id && x.database == database);
+  handle_structure(conid, database, { structure }) {
+    const existing = this.opened.find(x => x.conid == conid && x.database == database);
     if (!existing) return;
-    existing.structure = structure;
-    socket.emit(`database-structure-changed-${id}-${database}`);
+    existing.structure = structure;conid
+    socket.emit(`database-structure-changed-${conid}-${database}`);
   },
-  handle_error(id, { error }) {
+  handle_error(conid, { error }) {
     console.log(error);
   },
-  handle_response(id, database, { msgid, ...response }) {
+  handle_response(conid, database, { msgid, ...response }) {
     const [resolve, reject] = this.requests[msgid];
     resolve(response);
     delete this.requests[msgid];
   },
 
-  async ensureOpened(id, database) {
-    const existing = this.opened.find(x => x.id == id && x.database == database);
+  async ensureOpened(conid, database) {
+    const existing = this.opened.find(x => x.conid == conid && x.database == database);
     if (existing) return existing;
-    const connection = await connections.get({ id });
+    const connection = await connections.get({ conid });
     const subprocess = fork(`${__dirname}/../proc/databaseConnectionProcess.js`);
     const newOpened = {
-      id,
+      conid,
       database,
       subprocess,
       structure: DatabaseAnalyser.createEmptyStructure(),
@@ -40,7 +40,7 @@ module.exports = {
     this.opened.push(newOpened);
     // @ts-ignore
     subprocess.on('message', ({ msgtype, ...message }) => {
-      this[`handle_${msgtype}`](id, database, message);
+      this[`handle_${msgtype}`](conid, database, message);
     });
     subprocess.send({ msgtype: 'connect', ...connection, database });
     return newOpened;
@@ -57,8 +57,8 @@ module.exports = {
   },
 
   listObjects_meta: 'get',
-  async listObjects({ id, database }) {
-    const opened = await this.ensureOpened(id, database);
+  async listObjects({ conid, database }) {
+    const opened = await this.ensureOpened(conid, database);
     const { tables } = opened.structure;
     return {
       tables: _.sortBy(tables, x => `${x.schemaName}.${x.pureName}`),
diff --git a/api/src/controllers/serverConnections.js b/api/src/controllers/serverConnections.js
index 02133c17d..6b7c64439 100644
--- a/api/src/controllers/serverConnections.js
+++ b/api/src/controllers/serverConnections.js
@@ -6,23 +6,23 @@ const { fork } = require('child_process');
 module.exports = {
   opened: [],
 
-  handle_databases(id, { databases }) {
-    const existing = this.opened.find(x => x.id == id);
+  handle_databases(conid, { databases }) {
+    const existing = this.opened.find(x => x.conid == conid);
     if (!existing) return;
     existing.databases = databases;
-    socket.emit(`database-list-changed-${id}`);
+    socket.emit(`database-list-changed-${conid}`);
   },
-  handle_error(id, { error }) {
+  handle_error(conid, { error }) {
     console.log(error);
   },
 
-  async ensureOpened(id) {
-    const existing = this.opened.find(x => x.id == id);
+  async ensureOpened(conid) {
+    const existing = this.opened.find(x => x.conid == conid);
     if (existing) return existing;
-    const connection = await connections.get({ id });
+    const connection = await connections.get({ conid });
     const subprocess = fork(`${__dirname}/../proc/serverConnectionProcess.js`);
     const newOpened = {
-      id,
+      conid,
       subprocess,
       databases: [],
       connection,
@@ -30,15 +30,15 @@ module.exports = {
     this.opened.push(newOpened);
     // @ts-ignore
     subprocess.on('message', ({ msgtype, ...message }) => {
-      this[`handle_${msgtype}`](id, message);
+      this[`handle_${msgtype}`](conid, message);
     });
     subprocess.send({ msgtype: 'connect', ...connection });
     return newOpened;
   },
 
   listDatabases_meta: 'get',
-  async listDatabases({ id }) {
-    const opened = await this.ensureOpened(id);
+  async listDatabases({ conid }) {
+    const opened = await this.ensureOpened(conid);
     return opened.databases;
   },
 };
diff --git a/api/src/controllers/tables.js b/api/src/controllers/tables.js
index 729c12827..6bf939eab 100644
--- a/api/src/controllers/tables.js
+++ b/api/src/controllers/tables.js
@@ -5,7 +5,7 @@ module.exports = {
   tableData_meta: 'get',
   async tableData({ id, database, schemaName, pureName }) {
     const opened = await databaseConnections.ensureOpened(id, database);
-    const res = opened.sendRequest({ msgtype: 'tableData', schemaName, pureName });
-    return res;
+    // const res = opened.sendRequest({ msgtype: 'tableData', schemaName, pureName });
+    // return res;
   },
 };
diff --git a/api/src/types.ts b/api/src/types.ts
index 12b24a932..436fc4474 100644
--- a/api/src/types.ts
+++ b/api/src/types.ts
@@ -22,7 +22,7 @@ export interface DatabaseInfo {
 }  
 
 export interface OpenedDatabaseConnection {
-  id: string;
+  conid: string;
   database: string;
   structure: DatabaseInfo;
   subprocess: ChildProcess;
diff --git a/web/src/TabsPanel.js b/web/src/TabsPanel.js
index 9f1c7debc..963f90c88 100644
--- a/web/src/TabsPanel.js
+++ b/web/src/TabsPanel.js
@@ -34,17 +34,17 @@ export default function TabsPanel() {
   const tabs = useOpenedTabs();
   const setOpenedTabs = useSetOpenedTabs();
 
-  const handleTabClick = id => {
+  const handleTabClick = tabid => {
     setOpenedTabs(files =>
       files.map(x => ({
         ...x,
-        selected: x.id == id,
+        selected: x.tabid == tabid,
       }))
     );
   };
-  const handleMouseUp = (e, id) => {
+  const handleMouseUp = (e, tabid) => {
     if (e.button == 1) {
-      setOpenedTabs(files => files.filter(x => x.id != id));
+      setOpenedTabs(files => files.filter(x => x.tabid != tabid));
     }
   };
   return (
@@ -52,9 +52,9 @@ export default function TabsPanel() {
       {tabs.map(tab => (
         <FileTabItem
           {...tab}
-          key={tab.id}
-          onClick={() => handleTabClick(tab.id)}
-          onMouseUp={e => handleMouseUp(e, tab.id)}
+          key={tab.tabid}
+          onClick={() => handleTabClick(tab.tabid)}
+          onMouseUp={e => handleMouseUp(e, tab.tabid)}
         >
           {getIconImage(tab.icon)}
           <FileNameWrapper>{tab.title}</FileNameWrapper>
diff --git a/web/src/appobj/tableAppObject.js b/web/src/appobj/tableAppObject.js
index 182135d07..5531e877d 100644
--- a/web/src/appobj/tableAppObject.js
+++ b/web/src/appobj/tableAppObject.js
@@ -26,11 +26,11 @@ export default function tableAppObject({ pureName, schemaName }, { setOpenedTabs
   const key = title;
   const Icon = TableIcon;
   const onClick = ({ schemaName, pureName }) => {
-    const id = uuidv1();
+    const tabid = uuidv1();
     setOpenedTabs(files => [
       ...files,
       {
-        id,
+        tabid,
         title: pureName,
         icon: 'table2.svg',
         tabComponent: 'TableDataTab',
diff --git a/web/src/widgets/DatabaseWidget.js b/web/src/widgets/DatabaseWidget.js
index b7c7342ae..78c028ed8 100644
--- a/web/src/widgets/DatabaseWidget.js
+++ b/web/src/widgets/DatabaseWidget.js
@@ -34,7 +34,7 @@ function SubDatabaseList({ data }) {
   };
   const { _id } = data;
   const databases = useFetch({
-    url: `server-connections/list-databases?id=${_id}`,
+    url: `server-connections/list-databases?conid=${_id}`,
     reloadTrigger: `database-list-changed-${_id}`,
   });
   return <AppObjectList list={databases} makeAppObj={databaseAppObject} onObjectClick={handleDatabaseClick} />;
@@ -55,15 +55,15 @@ function ConnectionList() {
   );
 }
 
-function SqlObjectList({ id, database }) {
+function SqlObjectList({ conid, database }) {
   const objects = useFetch({
-    url: `database-connections/list-objects?id=${id}&database=${database}`,
-    reloadTrigger: `database-structure-changed-${id}-${database}`,
+    url: `database-connections/list-objects?conid=${conid}&database=${database}`,
+    reloadTrigger: `database-structure-changed-${conid}-${database}`,
   });
   const { tables } = objects || {};
   return (
     <>
-      <AppObjectList list={(tables || []).map(x => ({ ...x, id, database }))} makeAppObj={tableAppObject} />
+      <AppObjectList list={(tables || []).map(x => ({ ...x, conid, database }))} makeAppObj={tableAppObject} />
     </>
   );
 }
@@ -74,7 +74,7 @@ function SqlObjectListWrapper() {
   if (!db) return <div>(Choose database)</div>;
   const { name, connection } = db;
 
-  return <SqlObjectList id={connection._id} database={name} />;
+  return <SqlObjectList conid={connection._id} database={name} />;
   // return <div>tables of {db && db.name}</div>
   // return <div>tables of {JSON.stringify(db)}</div>
 }