Completed

SQL Sorting assistance required

As an example, I use a simple select statement to return how many times a team has played on a rink. The available rinks in my example are 4, 5 and 6. I have attached a snapshot of the table rows returned.

select

Team, RinkNum, max(PlayedOnRink) as RinkUsedNum

from

Algorithms_RinkUsage

where

RinkNum = 4 or RinkNum = 5 or RinkNum = 6

group by

Team, RinkNum

order by

RinkUsedNum desc

I also have the next match array and in this example, it is DCAEBF. I split into these 3 matches:

D v C

A v E

B v F

and I need to assign each match the best rinks to use and that is the rinks they have played on the least. It is important in bowls that teams don't keep playing on the same rink and usage for teams is distributed as evenly as possible.

I need to somehow take into account the table rows returned - for example, it shows Team A has played on Rink 4 twice already so shouldn't be assigned that rink, Team F has played on Rink 5 twice so shouldn't be assigned that rink.

The best result would be D v C is assigned Rink 4, A v E is assigned Rink 5 and B v F assigned Rink 6.

I don't know how much to offer for this project because I don't know what's involved so I've set it as a micro project £20.00 but will pay more if necessary. Thanks for looking.

Skills: SQL

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About the Employer:
( 75 reviews ) Portsmouth, United Kingdom

Project ID: #29443291

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SqlDevelopment

I can efficiently assist you with query development because I am Senior SQL Developer having 10-plus years of professional experience and highly advanced expertise in implementation of complex enterprise SQL solutions.

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13 freelancers are bidding on average £35 for this job

sumon355

Hello, As an expert in SQL, I am very much interested to do this project. I assume the database is in ms sql server? Thanks

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tutulsoft

-- I understood your requirements from SQL output from your details description and example... yes this is somehow challenging to get exact result from SQL query as you have desired but it is possible , i am 21 years More

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adricabrelles

Hi I am a Senior DBA and sql programmer with more than 15 years experience. I can help you. Regards

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gouravkumargupta

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merinsinha

SQL expert. I can help you. As 14+ years experiences in these field. I can give good quality work. I have read the guidelines of your work.I believe that i can provide you the best quality works you are anticipating More

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drivert

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amirgull

Hello Sir, I have vast experience of sql query. I will show you demo of your work when you want. Hope you look forward to work with me. Thank you

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zhongjinshao9999

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valeriyaellert3

❤️Hello, Nocholas.❤️ I have read your sql project description carefuly and got to know you need help to sort your data. I have checked your attached images but I want to discuss about your project in detail via chat. More

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bizmanas

Hi I have 15 years of experience in SQL Server Development. I should be able to help you with the project. Please ping me offline to Discuss further

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EvaWang0214

Hi I feel you might need to have SQL function to help you decide which Rink to use when each time you have wo teams to play with eac other, right ? Also, you might does not want to use the rink that has just been used More

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dreball

I actually really enjoy little puzzles like this, so I decided to go ahead and reproduce the sample data from your screenshot in my local instance. After a bit of playing around, I managed to write a script which solve More

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