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Get unique values from MySQL (with a twist)

$10-30 USD

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Publicado há quase 5 anos

$10-30 USD

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I have a table that has a number of results from a city_id. I want 20 results (or less) per city_id - no more or less. The city_id's change so no static query please. Make it fast and ideally in MySQl but PHP/ Python is ok (likely will be slower) This may be helpful: [login to view URL]
ID do Projeto: 20507815

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Ativo há 5 anos

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Hi there, I am a software engineer based in Singapore. I am currently experienced with database management as well as data analytics, and I the skills I have can definitely help you achieve what you are looking for.
$20 USD em 3 dias
0,0 (0 avaliações)
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9 freelancers estão ofertando em média $27 USD for esse trabalho
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I am experienced php developer and web designer with the deep knowledge related to MySQL,Laravel,Codeignitor,WordPress,MSSQL,JSON,JAVASCRIPT,AJAX,XML,jQuery,CSS,HTML5 with the integration of web technologies. I have worked as PHP & Web developer in industry and now I am full time freelancer and having the experience of huge and live projects. I can design the web pages with the back end of PHP and I have also experience of query optimization and performance management through PHP support. I am ready to work for you so I can provide my skills to IT market and I can give you 100% surety for quality work in minimum time. I have great control in PHP web services and API generation with JSON or XML. I can work at anytime with the great satisfactions,quality output and result in your hand with the fulfilling your requirements for sure. Waiting for your positive response , so we can start the work soon ..
$30 USD em 1 dia
5,0 (409 avaliações)
7,3
7,3
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It means that there will be multiple cities E.g. City1 = 50 rows (we need to show 20 rows form this city1) City2= 30 rows (we need to show 20 rows form this city2) What if some city has less than 20 rows in MYSQL table? I will be using MYSQL..Please share with me the sample table with data.
$30 USD em 1 dia
4,9 (192 avaliações)
7,1
7,1
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I have good knowledge of PHP, Ajax, Jquery and MYSQL. I able to do this task very well with good quality. My main motto is client satisfaction and makes a long-term relationship with you. Thank you
$30 USD em 1 dia
5,0 (125 avaliações)
6,8
6,8
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Hi. I have great experience in MySQL database so can help you right away. I have 6k+ reps in stackoverflow. Please come to chat so that we can discuss further
$20 USD em 1 dia
5,0 (23 avaliações)
5,3
5,3
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I can do it. Let me know if you want to discuss further. I am a database / Business Intelligence / solution architect. I have more than 14 years of experience in various technologies as mentioned below: Database/Datawarehouse - SQL Server, Oracle, MySQL -- Proficiency (P4) BI - Microsoft MSBI and Informatica ETL -- Proficiency (P4) Dotnet - C# (core), ASP.Net (core), MVC, Javascripting etc... -- Proficiency (P3) Cloud - Azure (Paas and IaaS) -- -- Proficiency (P1) My Technical background • A goal-oriented professional with more than 14 years of experience in IT Database Management and Project Management specifically Airlines, Telecommunications and Health care domain • Having good amount of practical exposure on AngularJS, MVC, Javascript, ASP.Net with C#, VB.Net language and executed multiple projects independently. • Possess expertise in Data Warehouse/Data mart concepts, data modeling for OLAP & OLTP systems from design and analysis to implementation including the conceptual, logical and physical data models • Experience in relational and dimensional data modeling using ERWIN, understanding of Ralph Kimball and bill Inmon methodology for dimensional modeling, star and snowflake schemas • Having depth knowledge of large database design techniques; experience in data analysis, data cleansing, and data transformation and migration using ETL tools;
$30 USD em 1 dia
4,9 (5 avaliações)
3,4
3,4
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I have many years experience and enjoy finding efficient solutions. Thanks for the opportunity. I look forward to hearing from you.
$30 USD em 7 dias
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Can you please share the mock up data in excel or csv along with desire output so that I can show it to you it can by done in mySql itself
$20 USD em 1 dia
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Bandeira do(a) UNITED STATES
San Francisco, United States
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Membro desde abr. 4, 2010

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