diff --git a/mdbinstall.log b/mdbinstall.log
new file mode 100644
index 0000000..68ff505
--- /dev/null
+++ b/mdbinstall.log
@@ -0,0 +1,35 @@
+=== Verbose logging started: 2024-02-21  16:20:52  Build type: SHIP UNICODE 5.00.10011.00  Calling process: C:\WINDOWS\system32\msiexec.exe ===
+MSI (c) (30:A0) [16:20:52:466]: Font created.  Charset: Req=0, Ret=0, Font: Req=MS Shell Dlg, Ret=MS Shell Dlg
+
+MSI (c) (30:A0) [16:20:52:466]: Font created.  Charset: Req=0, Ret=0, Font: Req=MS Shell Dlg, Ret=MS Shell Dlg
+
+MSI (c) (30:60) [16:20:52:518]: Resetting cached policy values
+MSI (c) (30:60) [16:20:52:518]: Machine policy value 'Debug' is 0
+MSI (c) (30:60) [16:20:52:518]: ******* RunEngine:
+           ******* Product: mongodb-windows-x86_64-7.0-signed.msi
+           ******* Action: 
+           ******* CommandLine: **********
+MSI (c) (30:60) [16:20:52:519]: Client-side and UI is none or basic: Running entire install on the server.
+MSI (c) (30:60) [16:20:52:519]: Grabbed execution mutex.
+MSI (c) (30:60) [16:20:52:582]: Cloaking enabled.
+MSI (c) (30:60) [16:20:52:582]: Attempting to enable all disabled privileges before calling Install on Server
+MSI (c) (30:60) [16:20:52:588]: Incrementing counter to disable shutdown. Counter after increment: 0
+MSI (s) (78:B4) [16:20:52:606]: Running installation inside multi-package transaction C:\Users\Prashanth\lab-advanced-querying\mongodb-windows-x86_64-7.0-signed.msi
+MSI (s) (78:B4) [16:20:52:606]: Grabbed execution mutex.
+MSI (s) (78:44) [16:20:52:612]: Resetting cached policy values
+MSI (s) (78:44) [16:20:52:612]: Machine policy value 'Debug' is 0
+MSI (s) (78:44) [16:20:52:612]: ******* RunEngine:
+           ******* Product: C:\Users\helip\lab-advanced-querying\mongodb-windows-x86_64-7.0-signed.msi
+           ******* Action: 
+           ******* CommandLine: **********
+MSI (s) (78:44) [16:20:52:613]: Note: 1: 2203 2: C:\Users\Prashanth\lab-advanced-querying\mongodb-windows-x86_64-7.0-signed.msi 3: -2147287038 
+MSI (s) (78:44) [16:20:52:614]: MainEngineThread is returning 2
+MSI (s) (78:B4) [16:20:52:617]: User policy value 'DisableRollback' is 0
+MSI (s) (78:B4) [16:20:52:617]: Machine policy value 'DisableRollback' is 0
+MSI (s) (78:B4) [16:20:52:617]: Incrementing counter to disable shutdown. Counter after increment: 0
+MSI (s) (78:B4) [16:20:52:617]: Note: 1: 1402 2: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Rollback\Scripts 3: 2 
+MSI (s) (78:B4) [16:20:52:618]: Note: 1: 1402 2: HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Rollback\Scripts 3: 2 
+MSI (s) (78:B4) [16:20:52:619]: Decrementing counter to disable shutdown. If counter >= 0, shutdown will be denied.  Counter after decrement: -1
+MSI (c) (30:60) [16:20:52:621]: Decrementing counter to disable shutdown. If counter >= 0, shutdown will be denied.  Counter after decrement: -1
+MSI (c) (30:60) [16:20:52:623]: MainEngineThread is returning 2
+=== Verbose logging stopped: 2024-01-21  16:20:52 ===
diff --git a/queries.md b/queries.md
index c1ab2c4..9a6a1ee 100644
--- a/queries.md
+++ b/queries.md
@@ -4,75 +4,112 @@
 ### 1. All the companies whose name match 'Babelgum'. Retrieve only their `name` field.
 
 <!-- Your Code Goes Here -->
+query : {name:'Babelgum'}
+projection :{name:1}
 
 ### 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: 5000 }}
+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` fields.
 
 <!-- Your Code Goes Here -->
+query : {founded_year:{$gte : 2000, $lte :2005}}
+project :{ 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: {name: 1,ipo: 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: {$lt: 1000},founded_year: {$lt: 2005}}
+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 in a descending order.
 
 <!-- Your Code Goes Here -->
+sort: { "ipo.valuation_amount": -1 }
 
 ### 10. Retrieve the 10 companies with most 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 founded before 2000 that have an acquisition amount of more than 10.000.000
 
 <!-- Your Code Goes Here -->
+query: {founded_year: {$lt: 2000},"acquisition.price_amount": {$gt: 10000000}}
 
 ### 13. All the companies that have been acquired after 2010, order by the acquisition amount, and retrieve only their `name` and `acquisition` field.
 
 <!-- Your Code Goes Here -->
+query: {"acquisition.acquired_year": {$gt: 2010}}
+projection: {name: 1,acquisition: 1,}
+sort: { "acquisition.price_amount": 1 }
 
 ### 14. Order the companies by their `founded year`, retrieving only their `name` and `founded year`.
 
 <!-- Your Code Goes Here -->
+projection: { name: 1, founded_year: 1}
+sort: { founded_year: 1 }
 
 ### 15. All the companies that have been founded on the first seven days of the month, including the seventh. Sort them by their `acquisition price` in a descending order. Limit the search to 10 documents.
 
 <!-- Your Code Goes Here -->
+query: {founded_day: {$lte: 7}}
+sort: { "acquisition.price_amount": -1 }
+limit: 10
 
 ### 16. All the companies on the 'web' `category` that have more than 4000 employees. Sort them by the amount of employees in ascending order.
 
 <!-- Your Code Goes Here -->
+query: {category_code: "web",number_of_employees: {$gt: 4000}}
+sort: { number_of_employees: 1 }
 
 ### 17. All the companies whose acquisition amount is more than 10.000.000, and currency is 'EUR'.
 
 <!-- Your Code Goes Here -->
+query: {"acquisition.price_amount": {$gt: 10000000},"acquisition.price_currency_code": "EUR"}
 
 ### 18. 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,}
+limit: 10
 
 ### 19. 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": {$not: {$lt: 2011}}}