diff --git a/queries.js b/queries.js
index 99f09c5..f161e87 100644
--- a/queries.js
+++ b/queries.js
@@ -1,7 +1,80 @@
-
-
 print('Employees')
 
 // List all the employees.
 print('1. List all Employees')
-db.employees.find({}).forEach(printjsononeline)
\ No newline at end of file
+db.employees.find({}).forEach(printjsononeline)
+
+//Find the employee with whose name is Steve.
+db.Employees.find({name: "Steve"})
+
+//Find all employees whose age is greater than 30.
+db.Employees.find({age:{$gt: 30}})
+
+//Find the employee whose extension is 2143.
+db.Employees.find({"phone.ext": "2143"})
+
+//Find all employees that are over 30.
+db.Employees.find({age:{$gt: 30}})
+
+//Find all employees that are less than or equal to 30.
+db.Employees.find({age:{$lte: 30}})
+
+//Find all the employees whose favorite food is pizza.
+db.Employees.find({"favorites.food": "pizza"})
+
+//Change Willy’s personal phone number to "93-123-45-67".
+db.Employees.update(
+    {name: "Willy"},
+    {$set: {"phone.personal":"93-123-45-67"}});
+
+//Change Bob’s privilege to normal user.
+db.Employees.update(
+    {name: "Bob"},
+    {$set: {"privileges": "user"}});
+
+//Find all employees whose favorite artist is equal to Picasso.
+db.Employees.find({"favorites.artist": "Picasso"})
+
+//Delete the user John.
+db.Employees.deleteMany({name: "John"})
+
+//List all the restaurants.
+db.Restaurants.find()
+
+//Find all the restaurants and display only the fields restaurant_id, name, borough and cuisine.
+db.Restaurants.aggregate(
+    { $project : { _id : 1, cuisine : 1, name: 1, borough: 1 } }
+  );
+
+//Find all the restaurants and display only the fields restaurant_id, name, borough and zip code
+db.Restaurants.aggregate(
+    { $project : { _id : 1, cuisine : 1, name: 1, borough: 1, "adress.zipcode":1 } }
+  );
+
+//Find the restaurants which are in the borough Bronx.
+db.Restaurants.find({borough:"Bronx"})
+
+//Find the restaurants which are in the borough Brooklyn with Steak cuisine.
+db.Restaurants.find({borough:"Brooklyn",cuisine:"Steak" })
+
+//Find the restaurants which have achieved a score bigger than 90.
+db.Restaurants.find({ "grades.score" : {$gt: 90}})
+
+//Find the restaurants that do not prepare any Bakery cuisine and with a grade score equal or bigger than 70.
+db.Restaurants.find({ "grades.score" : {$gte: 70}, cuisine: {$ne: "Bakery"}})
+
+//Find the restaurants which do not prepare any Chinese cuisine and have achieved a grade point A which do not belong to the borough Manhattan.
+db.Restaurants.find({ "grades.grade" : "A", cuisine: {$ne: "Chinese"}, borough: {$ne: "Manhattan"}})
+//Update restaurants with 'American ' cuisine to 'American' (without the space!!!)
+db.Restaurants.update(
+    {cuisine: "American "},
+    {$set: {"cuisine": "American"}})
+
+//Update Morris Park Bake Shop address street to Calle falsa 123
+db.Restaurants.update(
+    {name: "Morris Park Bake Shop"},
+    {$set: {"adress.street": "Calle falsa 123"}})
+
+//Delete all the restaurants with address zipcode 10466.
+db.Restaurants.deleteMany({"address.zipcode": "10466"})
+