diff --git a/helpers/database.js b/helpers/database.js
index 9a93448..22367a4 100644
--- a/helpers/database.js
+++ b/helpers/database.js
@@ -91,20 +91,20 @@ const getRelationships = datasets => {
   return relationships;
 };
 
-const getMongodbSchemas = params => {
+const getMongodbSchemas = (params) => {
   return new Promise(async (resolve, reject) => {
 
-    if (!params.host) {
+    if (params.connection_method !== 'connection string' && !params.host) {
       return reject('host parameter is undefined');
     }
-    if (!params.dbname) {
+    if (params.connection_method !== 'connection string' && !params.dbname) {
       return reject('dbname parameter is undefined');
     }
 
     await generalHelper.timeout(2000);
 
     // Get mongodb connection url
-    const uri = getMongodbConnectionUrl(params);
+    const uri = params.connection_method == 'connection string' ? params.connection_string : getMongodbConnectionUrl(params);
 
     const client = await MongoClient.connect(uri, { useNewUrlParser: true })
       .catch(err => {
@@ -112,12 +112,13 @@ const getMongodbSchemas = params => {
         return null;
       });
 
+
     if (!client) {
       return;
     }
 
     // Connect to the proper db
-    const db = client.db(params.dbname);
+    const db = client.db(client.options.dbName);
 
     const datasets = {};
     const collections = await db.listCollections().toArray();
diff --git a/helpers/generator.js b/helpers/generator.js
index d357376..dd4aea3 100644
--- a/helpers/generator.js
+++ b/helpers/generator.js
@@ -59,7 +59,7 @@ const createAdminTemplate = async (databaseType, models, generalParams, dbParams
 
 const createDotEnvFile = (projectPath, generalParams, dbParams, database, useLocalCli) => {
   const amDbUrl = database === 'mongodb' ?
-    dbHelper.getMongodbConnectionUrl(dbParams) :
+    dbParams.connection_method == "connection string" ? dbParams.connection_string : dbHelper.getMongodbConnectionUrl(dbParams) :
     dbHelper.getSQLConnectionUrl(database, dbParams);
 
   const fileContent = `// IMPORTANT: This file should be removed from production env
diff --git a/index.js b/index.js
index 5e31650..8ab6d6e 100755
--- a/index.js
+++ b/index.js
@@ -141,11 +141,39 @@ const commandLine = () => {
 
       // Ask for the database creddentials ----------------------------------------------
 
-      // Ask for the mission credentials & connection infos
-      // Just ask for the missing infos thanks to the second parameter
-      const databaseQuestions = getDatabaseCredentialsQuestions(params.db);
-      const databaseExistingAnswers = _.omit(params, ['name', 'id', 'sk', 'hash', 'db']);
-      const databaseCredentials = await inquirer.prompt(databaseQuestions, databaseExistingAnswers);
+      let databaseCredentials = {};
+
+      const isMongodb = params.db === 'mongodb';
+      if(isMongodb) {
+        const connectionMethod = await inquirer.prompt([{
+            name: 'connection_method',
+            type: 'list',
+            message: 'How do you want to connect? ',
+            choices: ['connection string', 'parameters (host, port, user, password, database name)']
+        }]);
+        databaseCredentials.connection_method = connectionMethod.connection_method;   
+      }
+
+      if(isMongodb && databaseCredentials.connection_method !== 'connection string'){
+        // Ask for the mission credentials & connection infos
+        // Just ask for the missing infos thanks to the second parameter
+        const databaseQuestions = getDatabaseCredentialsQuestions(params.db);
+        const databaseExistingAnswers = _.omit(params, ['name', 'id', 'sk', 'hash', 'db']);
+        databaseCredentials = await inquirer.prompt(databaseQuestions, databaseExistingAnswers);
+      }else{
+        const databaseConnectionString = await inquirer.prompt([
+          {
+            name: 'connection_string',
+            type: 'input',
+            message: 'Enter your MongoDB connection string',
+            validate: value => {
+              return value ? true : 'You have to set your connection string';
+            }
+          }
+        ]);
+        databaseCredentials.connection_string = databaseConnectionString.connection_string;
+        databaseCredentials.dbname = databaseConnectionString.dbname;
+      }
 
       // Connect to the database --------------------------------------------------------