From 977e1ac288abe479eae1269acc5f519b1e39f34b Mon Sep 17 00:00:00 2001
From: David Venegas <david.venegas.martinez@gmail.com>
Date: Mon, 8 Nov 2021 16:59:57 -0600
Subject: [PATCH] lab Done

---
 starter_code/queries.md | 58 +++++++++++++++++++++++++++--------------
 1 file changed, 38 insertions(+), 20 deletions(-)

diff --git a/starter_code/queries.md b/starter_code/queries.md
index cb54f8a..fffd3fd 100644
--- a/starter_code/queries.md
+++ b/starter_code/queries.md
@@ -4,80 +4,98 @@
 
 ### 1. All the companies that it's name match 'Babelgum'. Retrieve only their `name` field.
 
-<!-- Your Code Goes Here -->
+query: {name : "Babelgum"}
 
 ### 2. All the companies that have more than 5000 employees. Limit the search to 20 companies and sort them by **number of employees**.
 
-<!-- Your Code Goes Here -->
+query: {number_of_employees: {$gt : 500}}
+sort: {number_of_employees : 1}
+limit: 20
 
 ### 3. All the companies founded between 2000 and 2005, both years included. Retrieve only the `name` and `founded_year` fileds.
 
-<!-- Your Code Goes Here -->
+query: {founded_year: {$gte : 2000, $lt : 2005}}
+projection: {name:1, founded_year:1}
 
 ### 4. All the companies that had a Valuation Amount of more than 100.000.000 and have been founded before 2010. Retrieve only the `name` and `ipo` fields.
 
-<!-- Your Code Goes Here -->
+query: {"ipo.valuation_amount": {$gt : 100000000}, founded_year:{$lt:2010}}
+projection: {ipo:1, name:1}
 
 ### 5. All the companies that have less than 1000 employees and have been founded before 2005. Order them by the number of employees and limit the search to 10 companies.
 
-<!-- Your Code Goes Here -->
+query: {number_of_employees: {$lte : 1000}, founded_year: {$lte : 2004}}
+sort: {number_of_employees : 1}
+limit: 10
 
 ### 6. All the companies that don't include the `partners` field.
 
-<!-- Your Code Goes Here -->
+query: {partners : {$exists : false}}
 
 ### 7. All the companies that have a null type of value on the `category_code` field.
 
-<!-- Your Code Goes Here -->
+query: {category_code : null}
 
 ### 8. All the companies that have at least 100 employees but less than 1000. Retrieve only the `name` and `number of employees` fields.
 
-<!-- Your Code Goes Here -->
+query: {number_of_employees:{$gte : 100, $lt:1000}}
+projection: {name : 1, number_of_employees:1}
 
 ### 9. Order all the companies by their IPO price descendently.
 
-<!-- Your Code Goes Here -->
+sort: {"ipo.valuation_amount": -1}
 
 ### 10. Retrieve the 10 companies with more employees, order by the `number of employees`
 
-<!-- Your Code Goes Here -->
+sort: {number_of_employees:-1}
+limit: 10
 
 ### 11. All the companies founded on the second semester of the year. Limit your search to 1000 companies.
 
-<!-- Your Code Goes Here -->
+query: {founded_month:{$gte:7, $lte:12}}
+limit: 1000
 
 ### 12. All the companies that have been 'deadpooled' after the third year.
 
-<!-- Your Code Goes Here -->
+query: {deadpooled_year: {$gt:(founded_year+3)}}
 
 ### 13. All the companies founded before 2000 that have and acquisition amount of more than 10.000.000
 
-<!-- Your Code Goes Here -->
+query: {founded_year:{$lt:2000}, "acquisition.price_amount":{$gt:10000000}}
 
 ### 14. All the companies that have been acquired after 2015, order by the acquisition amount, and retrieve only their `name` and `acquisiton` field.
 
-<!-- Your Code Goes Here -->
+query: {"acquisition.acquired_year":{$gt:2015}}
+projection: {name:1, acquisition:1}
+sort: {"acquisition.price_amount":1}
 
 ### 15. Order the companies by their `founded year`, retrieving only their `name` and `founded year`.
 
-<!-- Your Code Goes Here -->
+projection: {name:1, founded_year:1, _id:0}
+sort: {founded_year:1}
+
 
 ### 16. All the companies that have been founded on the first seven days of the month, including the seventh. Sort them by their `aquisition price` descendently. Limit the search to 10 documents.
 
-<!-- Your Code Goes Here -->
+query: {founded_day:{$lte:7}}
+sort: {"acquisition.price_amount":-1}
+limit: 10
 
 ### 17. All the companies on the 'web' `category` that have more than 4000 employees. Sort them by the amount of employees in ascendant order.
 
-<!-- Your Code Goes Here -->
+query: {category_code:"web", number_of_employees:{$gt:4000}}
+sort: {number_of_employees:1}
 
 ### 18. All the companies which their acquisition amount is more than 10.000.000, and currency are 'EUR'.
 
-<!-- Your Code Goes Here -->
+query: {"acquisition.price_amount":{$gt:10000000}, "acquisition.price_currency_code":"EUR"}
 
 ### 19. All the companies that have been acquired on the first trimester of the year. Limit the search to 10 companies, and retrieve only their `name` and `acquisition` fields.
 
-<!-- Your Code Goes Here -->
+query: {"acquisition.acquired_month":{$lte:3}}
+projection: {name:1, acquisition:1, _id:0}
+limit: 10
 
 ### 20. All the companies that have been founded between 2000 and 2010, but have not been acquired before 2011.
 
-<!-- Your Code Goes Here -->
+query: {founded_year:{$gte:2000, $lte:2010}, "acquisition.acquired_year": {$nin : [2010]}}