From 305e9e5ca03f217e69381ff38c41450cc830febf Mon Sep 17 00:00:00 2001 From: Muhammad Irshad <85778819+Irshadmdk19@users.noreply.github.com> Date: Thu, 5 Dec 2024 06:26:40 +0530 Subject: [PATCH] Done --- queries.md | 92 +++++++++++++++++++++++++++++++++++++++++++----------- 1 file changed, 73 insertions(+), 19 deletions(-) diff --git a/queries.md b/queries.md index c1ab2c4..0c98fd6 100644 --- a/queries.md +++ b/queries.md @@ -3,76 +3,130 @@ ### 1. All the companies whose name match 'Babelgum'. Retrieve only their `name` field. - + +db.companies.find({ name: "Babelgum" }, { name: 1, _id: 0 }); + ### 2. All the companies that have more than 5000 employees. Limit the search to 20 companies and sort them by **number of employees**. +db.companies.find({ 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. - +db.companies.find( + { founded_year: { $gte: 2000, $lte: 2005 } }, + { name: 1, founded_year: 1, _id: 0 } +); + ### 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. - +db.companies.find( + { "ipo.valuation_amount": { $gt: 100000000 }, founded_year: { $lt: 2010 } }, + { name: 1, ipo: 1, _id: 0 } +); + + ### 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. +db.companies.find( + { 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. - +db.companies.find({ partners: { $exists: false } }); + ### 7. All the companies that have a null type of value on the `category_code` field. - +db.companies.find({ 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. +db.companies.find( + { number_of_employees: { $gte: 100, $lt: 1000 } }, + { name: 1, number_of_employees: 1, _id: 0 } +); + - ### 9. Order all the companies by their IPO price in a descending order. - +db.companies.find().sort({ "ipo.valuation_amount": -1 }); + ### 10. Retrieve the 10 companies with most employees, order by the `number of employees` - +db.companies.find().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. +db.companies.find( + { 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 - +db.companies.find( + { 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. +db.companies.find( + { "acquisition.acquired_year": { $gt: 2010 } }, + { name: 1, acquisition: 1, _id: 0 } +).sort({ "acquisition.price_amount": -1 }); + - ### 14. Order the companies by their `founded year`, retrieving only their `name` and `founded year`. - +db.companies.find({}, { name: 1, founded_year: 1, _id: 0 }).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. +db.companies.find( + { founded_day: { $gte: 1, $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. - +db.companies.find( + { 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'. - +db.companies.find( + { "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. +db.companies.find( + { "acquisition.acquired_month": { $gte: 1, $lte: 3 } }, + { name: 1, acquisition: 1, _id: 0 } +).limit(10); + - ### 19. All the companies that have been founded between 2000 and 2010, but have not been acquired before 2011. +db.companies.find( + { founded_year: { $gte: 2000, $lte: 2010 }, "acquisition.acquired_year": { $gte: 2011 } } +); + -