diff --git a/api/package.json b/api/package.json
index dff6e09dd..39651e85c 100644
--- a/api/package.json
+++ b/api/package.json
@@ -18,9 +18,11 @@
     "socket.io": "^2.3.0"
   },
   "scripts": {
-    "start": "nodemon src/index.js"
+    "start": "nodemon src/index.js",
+    "tscheck": "tsc --allowJs --noEmit src/index.js"
   },
   "devDependencies": {
-    "nodemon": "^2.0.2"
+    "nodemon": "^2.0.2",
+    "typescript": "^3.7.4"
   }
 }
diff --git a/api/src/controllers/connections.js b/api/src/controllers/connections.js
index 4fef6a91e..be081c755 100644
--- a/api/src/controllers/connections.js
+++ b/api/src/controllers/connections.js
@@ -1,5 +1,8 @@
+// @ts-check
+
 const path = require('path');
 const { fork } = require('child_process');
+// @ts-ignore
 const _ = require('lodash');
 const nedb = require('nedb-promises');
 
@@ -12,6 +15,7 @@ module.exports = {
 
   async _init() {
     const dir = await datadir();
+    // @ts-ignore
     this.datastore = nedb.create(path.join(dir, 'connections.jsonl'));
   },
 
diff --git a/api/src/engines/default/DatabaseAnalyser.js b/api/src/engines/default/DatabaseAnalyser.js
new file mode 100644
index 000000000..e5c409068
--- /dev/null
+++ b/api/src/engines/default/DatabaseAnalyser.js
@@ -0,0 +1,15 @@
+// @ts-check
+
+class DatabaseAnalyser {
+  /**
+   *
+   * @param {import('../default/types').EngineDriver} driver
+   */
+  constructor(pool, driver) {
+    this.pool = pool;
+    this.driver = driver;
+  }
+  runAnalysis() {}
+}
+
+module.exports = DatabaseAnalyser;
diff --git a/api/src/engines/default/types.ts b/api/src/engines/default/types.ts
new file mode 100644
index 000000000..55adbe990
--- /dev/null
+++ b/api/src/engines/default/types.ts
@@ -0,0 +1,8 @@
+export interface EngineDriver {
+  connect({ server, port, user, password });
+  query(pool, sql: string): [];
+  getVersion(pool): string;
+  listDatabases(pool): [{ name: string }];
+  analyseFull(pool);
+  analyseIncremental(pool);
+}
diff --git a/api/src/engines/mssql/MsSqlAnalyser.js b/api/src/engines/mssql/MsSqlAnalyser.js
new file mode 100644
index 000000000..81bf6d5fc
--- /dev/null
+++ b/api/src/engines/mssql/MsSqlAnalyser.js
@@ -0,0 +1,22 @@
+// @ts-check
+
+const fs = require('fs-extra');
+const path = require('path');
+
+const DatabaseAnalayser = require('../default/DatabaseAnalyser');
+
+async function loadQuery(name) {
+  return await fs.readFile(path.join(__dirname, name), 'utf-8');
+}
+
+class MsSqlAnalyser extends DatabaseAnalayser {
+  constructor(pool, driver) {
+    super(pool, driver);
+  }
+
+  async runAnalysis() {
+    const tables = this.driver.query(this.pool, await loadQuery('tables.sql'));
+  }
+}
+
+module.exports = MsSqlAnalyser;
diff --git a/api/src/engines/mssql/index.js b/api/src/engines/mssql/index.js
index c915f7525..db558b6eb 100644
--- a/api/src/engines/mssql/index.js
+++ b/api/src/engines/mssql/index.js
@@ -17,4 +17,10 @@ module.exports = {
     const res = await this.query(pool, 'SELECT name FROM sys.databases order by name');
     return res;
   },
+  async analyseFull(pool) {
+
+  },
+  async analyseIncremental(pool) {
+
+  },
 };
diff --git a/api/src/engines/mssql/tables.sql b/api/src/engines/mssql/tables.sql
new file mode 100644
index 000000000..85fe78426
--- /dev/null
+++ b/api/src/engines/mssql/tables.sql
@@ -0,0 +1,6 @@
+select
+	o.name as tableName, s.name as schemaName, o.objectId,
+	o.createDate, o.modifyDate 
+from sys.tables o
+inner join sys.schemas s on o.schema_id = s.schema_id
+where o.object_id =[OBJECT_ID_CONDITION]
diff --git a/api/src/utility/datadir.js b/api/src/utility/datadir.js
index dce4327d8..52951db41 100644
--- a/api/src/utility/datadir.js
+++ b/api/src/utility/datadir.js
@@ -1,3 +1,5 @@
+// @ts-check
+
 const os = require('os');
 const path = require('path');
 const fs = require('fs-extra');
diff --git a/api/src/utility/socket.js b/api/src/utility/socket.js
index d252b1f09..e02f3d7e1 100644
--- a/api/src/utility/socket.js
+++ b/api/src/utility/socket.js
@@ -1,3 +1,5 @@
+// @ts-check
+
 let socket = null;
 
 module.exports = {
diff --git a/api/src/utility/useController.js b/api/src/utility/useController.js
index 9daeac76e..a332af2a9 100644
--- a/api/src/utility/useController.js
+++ b/api/src/utility/useController.js
@@ -1,6 +1,12 @@
+// @ts-check
+
+// @ts-ignore
 const _ = require('lodash');
 const express = require('express');
 
+/**
+ * @param {string} route
+ */
 module.exports = function useController(app, route, controller) {
   const router = express.Router();
 
diff --git a/api/yarn.lock b/api/yarn.lock
index d0a328659..1be62a7d1 100644
--- a/api/yarn.lock
+++ b/api/yarn.lock
@@ -2561,6 +2561,11 @@ type-is@~1.6.17, type-is@~1.6.18:
     media-typer "0.3.0"
     mime-types "~2.1.24"
 
+typescript@^3.7.4:
+  version "3.7.4"
+  resolved "https://registry.yarnpkg.com/typescript/-/typescript-3.7.4.tgz#1743a5ec5fef6a1fa9f3e4708e33c81c73876c19"
+  integrity sha512-A25xv5XCtarLwXpcDNZzCGvW2D1S3/bACratYBx2sax8PefsFhlYmkQicKHvpYflFS8if4zne5zT5kpJ7pzuvw==
+
 undefsafe@^2.0.2:
   version "2.0.2"
   resolved "https://registry.yarnpkg.com/undefsafe/-/undefsafe-2.0.2.tgz#225f6b9e0337663e0d8e7cfd686fc2836ccace76"