Combination of 2 CSV tables
22 USD There is a large table (950 thousand lines) in one CSV file
There is also a small table (approximately 200 thousand lines) in the second file
Both tables have 2 identical columns, as well as the third column that is absent in the main large table.
It is necessary to add values from the third column to the main big table when values from two columns of one sheet coincide with the other sheet.
It is important that the solution works quickly with such a large amount of data (not more than an hour for the whole task). The coincidence can be only 1 for the entire table (if you have added one time to one cell, then you do not need to make a further search)
We have a fairly confidential base, so there will be a few positions for the test. We should be able to add the remaining lines ourselves and make a turnover.
Excel does not offer, it performs this function for 3 days.
Client's review of cooperation with Vladislav N.
Combination of 2 CSV tablesThank you very much for your help, the program works perfectly!
Freelancer's review of cooperation with Ivan Petrov
Combination of 2 CSV tablesClear and fast receipt of results. Thank you for cooperation!
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1 day22 USD
366 25 1 1 day22 USD
Hello to you. Ready to perform within a few hours. I have done a similar task recently.
Examples of work see in the portfolio.
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1 day22 USD
378 85 3 6 1 day22 USD
Good day, I can implement such a program, throw tables samples for testing
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1 day22 USD
726 21 0 1 day22 USD
Good morning, I am interested in your task, I propose a solution on Python. The decision is ready immediately after the details are found.
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1 day22 USD
5894 345 0 1 day22 USD
I can scroll a simple application under Windows, no Excel, but first you need to look at the structures of both files (change the data on what happened, it's important that the structure)... What the lists in them are such...
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Winning proposal1 day22 USD
6055 284 0 Winning proposal1 day22 USD
Good day . I write a program under Windows - it will work very quickly (on such volumes it should take a few minutes). I do today. You need examples of both files.
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Приложите файлы, и дело ускорится...
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Скажите пожалуйста:
это новый проект или продолжение (переделка) этого
https://freelancehunt.com/project/microsoft-excel-sravnenie-perenos/1083131.html
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Вариант с использованием excel не дал своих плодов. На большей базе так и не сработал 😔 поэтому создал новый проект
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