Writing a task in SQL
13 USD You need to write a task on SQL - to process a flight database from https://openflights.org/data.html to answer various questions, for example:
1 . Find the number of airports in a particular country
2nd Find all unique routes between the airports.
Three Create a table with airports from p.2 and the distances between them.
Thank you and luck!
Client's review of cooperation with Oleksii Kozhushko
Writing a task in SQLFreelancer performed the work quickly, quality and detailed the solution. Great work!
Freelancer's review of cooperation with Yevgeny Kuznetsov
Writing a task in SQLThe task is specified, all details are scheduled. Communication with the customer is very constructive. I recommend it.
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Winning proposal1 day13 USD
552 70 13 2 Winning proposal1 day13 USD
The task is understandable. But the data on the link is in CSV.
What SQL base would you like to use? MS SQL, MySQL, or something else?
Distances between airports - calculate by coordinates?
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3 days11 USD
2071 226 0 1 3 days11 USD
Call me, I will do. What SUBD is needed?
Call me, I will do. What SUBD is needed?
Call me, I will do. What SUBD is needed?
Call me, I will do. What SUBD is needed?
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Один проект на Pig, другой на SQL.
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