This project needs someone with a background in nosql database.
This project use the Mongo Shell From a (linux) terminal type
and it is about aggregation operations with MongoDB.
As for The data model of the collection that is illustrated below.
{
"_id": "10280",
"city": "NEW YORK",
"state": "NY",
"pop": 5574,
"loc": [
-74.016323,
40.710537
]
}
write the query statements that can
1. Find all the locations in MD with population more than 60000. For each location, list the city name where the location is in, the location coordiates, and its population.
2. (use aggretation pipeline)Find all the cities in MD with population more than 100000. List each city name and its total population.
3. (use aggretation pipeline)Find all the cities with population more than 100000. For each city, list its state, the city name and its total population. Warning: multilple states could have the same city names.
4. (Use MapReduce framework) Find all the cities and their populations in MD. List each city name and its total population.
5: (Use MapReduce framework, challenging one, for fun. ) Return Average City Population by State.
Hi ,
Right professional for your NoSQL MongoDB work is here. Waiting for your response to start work.
I will work untill your satisfaction in short time and small budget.
Thank
one2one
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