Need Sql query for removing duplicates and fixing the relation table

I need help to modify a sql database.

i have a "name" table which has a ManyToMany relationship to another table called "hobbies". The third table "hobbies_id_name_id" contains the relationship between name and hobbies table.

I need a sql query to fix the relationship table and delete the duplicates from the name table

name table:

id name

1 tom

2 tim

3 lisa

4 jan

5 tomas

6 tom => delete duplicate

7 lisa => delete duplicate

8 tom => delete duplicate

hobbies table:

id sports

1 football

2 tennis

3 basketball

4 cricket

5 baseball

relationshop table:





3..........................6 => replace with 1


4..........................8 => replace with 1

5..........................7 => replace with 3

5..........................8 => replace with 1

Aptitudini: Administrare baze de date, Programare baze de date, MySQL, SQL

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Despre angajator:
( 10 recenzii ) Heilbronn, Germany

ID Proiect: #19741824

59 freelanceri licitează în medie 25€ pentru acest proiect


Hello, As an expert in SQL, i am very much interested to provide you the required sql query. Are you using MySQL? Looking forward to have a positive response from you. Thanks

%bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% EUR în 1 zi
(187 recenzii)

Hello there, i'm expert on writing SQL query, i've done many SQL to remove duplicate and update data like this. Pls share me your table and data and then i will write script to do. Waiting for your response if interest Mai multe

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(168 recenzii)

Hi I am a database expert with 12 years experience in handling MS SQL and MySQL databases. I have worked as DBA for large ERP databases and use to write and do performance tuning for SQL queries, procedures and trig Mai multe

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(72 recenzii)

Hi, I am 8 years experienced SQL developer. I understand your point. I can complete this project within two hours . Please check my profile for my work quality . Thanks, Bhaskar Mandal

%bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% EUR în 1 zi
(43 recenzii)

Hi, I have good experience in writing SQL queries. I would like to remove duplicate and remap the ids in the table hobbies_id_name_id Available for discussion and ready to start now. Looking Forward to your response. R Mai multe

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(87 recenzii)

Hi. I've read carefully your job description I'm have a lot of experiences in JAVA, VB, .NET ,SQL QUERY, .... And I also have experiences in Excel VBA developing and data mining. If you hire me, then I will try my be Mai multe

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(33 recenzii)

Dear my employer! I checked your project carefully. I have a deep understanding of the problems you are going to realize in your project. They are not so difficult for me with 12 years of app development years. Unt Mai multe

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(13 recenzii)

Hi, nice to meet you. I have checked your project carefully, so that i feel I can do this project. I am good in web basic skill and i am familiar with some frameworks such as Laravel, Wordpress, Codeigniter, Nodejs and Mai multe

%bids___i_sum_sub_32%%project_currencyDetails_sign_sub_33% EUR în 1 zi
(17 recenzii)

Hello I am a sql query expert** I have already read your description in more details and have interested in your project. I can do it perfectly soonest as your requirment Thank you.

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(19 recenzii)

Dear Sir, My name is Parth. I've read your brief and can see that you need SQL query for removing duplicates and fixing the relation table ***** We've passed all freelancer certifications relevant to this project. ** Mai multe

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(2 recenzii)

Hi, I am interested in the task and have an experience in it. please ping me to discuss more. thanks

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(29 recenzii)

Hi i am expertise in sql query and warehousing i would like to resolve ur problem in notnkore than 1 hour if you are interested ping me

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(14 recenzii)

Hi, I'm a data engineer with over 5 years of experience developing data-centric applications using SQL, PL/SQL, and many other tools. I can complete this work within a few hours with 100% precision and quality. I'm Mai multe

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(4 recenzii)

I am ready to work with you. Let me know if you are ready to go...Accordingly I will take above example and will provide you solution. I am a database / Business Intelligence / solution architect. I have more than 14 Mai multe

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(7 recenzii)

I'm glad to bid to this project. First tell me the complete information about your project I have faced and solved many similar issues so have good understanding about the task. Yes I can do this project for you becaus Mai multe

%bids___i_sum_sub_35%%project_currencyDetails_sign_sub_36% EUR în 7 zile
(4 recenzii)

Hi Here is the sql. UPDATE TBL_HOBBIES_NAME SET NAMEID = (SELECT MINID FROM (SELECT MIN([login to view URL]) MINID,[login to view URL],[login to view URL] FROM TBL_NAME A JOIN TBL_NAME B ON [login to view URL] = [login to view URL] GROUP BY [login to view URL],[login to view URL]) D WHERE NAMEID = [login to view URL]) DELETE Mai multe

%bids___i_sum_sub_35%%project_currencyDetails_sign_sub_36% EUR în 7 zile
(7 recenzii)

Hello You result in db can be: select [login to view URL] ,[login to view URL], min([login to view URL]) as realtionship_nameid, min([login to view URL]) as realtionship_hobbies from name, hobbies, realtionship where [login to view URL] Mai multe

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(15 recenzii)

Hello. I looked carefully at your posts. mysql database manage & programming is my best work. also i have a enough history in this part. If you have the opportunity to talk to me, I think I can create a less cost e Mai multe

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(8 recenzii)

Interesting Wonderful project! We are good team in many experiences in Web developing. We are masters of math and web design. If you keep in touch with us, you can get satisfy result. Thanks a lot!

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Dear, Sir. Nice to meet you. I read your project description carefully and am very interested in working for your project. I am able to provide the best product with awesome and good performance and offer a good resu Mai multe

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