Compare two table data in MySQL

Need this accomplished only in MySQL.

Below is the high level requirement. Refer attachments for more details on requirement, table structure, before/after comparison sample result set etc.

• Need a query/SP to compare the data of table1 and table2

• If a record in table1 has only one match found in table2 --> table1.ref_id = table2.rec_id, comp_result = 'Match'

• If a record in table1 has multiple matches found in table2 --> table1.ref_id = table2.rec_id of the first match where table2.rec_id doesn't exist in table1.ref_id, comp_result = 'Match'

• Value of ref_id should be unique.

Evner: MySQL, SQL, Programmering af database, Databaseudvikling

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Om arbejdsgiveren:
( 6 bedømmelser ) Coimbatore, India

Projekt ID: #27483677

10 freelancere byder i gennemsnit ₹1365 på dette job


hi I have more than 10 years of professional experience in sql development and optimisation and worked in more than 300 projects in different database like Oracle,mysql/db2/ [login to view URL] discuss your requirements

₹1500 INR på 1 dag
(17 bedømmelser)

I can develop a query to compare a two tables according to described requirements. I am highly qualified Senior SQL developer and I have a more than 10 years of professional experience.

₹3000 INR på 1 dag
(18 bedømmelser)

Hello employer, I would like to bid for your project work pertaining to writing SQL query or SP Here is my linkedin profile: [login to view URL] I am data engineer and working in are Flere

₹1500 INR in 7 dage
(6 bedømmelser)

I am a full-stack developer with a career in the IT industry of over 4 years. I have rich experiences with many people and they always get the best result. It's a piece of cake for me! You'll not waste your GOLD TIME. Flere

₹1050 INR på 1 dag
(3 bedømmelser)

Hi, nice to greet you, my name is Alex, I would be interested in working on your project, I have immediate availability, I have great knowledge in MySQL I remain attentive to your comments Regards

₹800 INR på 1 dag
(2 bedømmelser)

hi I am a professional full stack web developer having experience of more than 12 years. Allow me to do this project and I assure you a quality work.

₹1500 INR på 1 dag
(0 bedømmelser)

Hi Sir! It's a pleasure to meet you. I'd really like to work with you on this one if possible! I am a new developer here, but have much experience in web development. Looking through your attachment, I clearly got to Flere

₹1500 INR in 7 dage
(0 bedømmelser)

I have 6 year of experience in database development , i am pro with query optimization and SP writing .

₹1200 INR på 1 dag
(0 bedømmelser)

Greeting!!! I reviewed your requirement, I am Oracle Certified Data Scientist,Analyst Professional having over 5+ years experience in Database development covering multiple technologies like oracle, mysql,sql plsql. Flere

₹600 INR på 1 dag
(0 bedømmelser)

Your query is resolved, I have 10 year of experience working in database. i will provide you query within 15 mints and also do some change on same day if required.

₹1000 INR på 1 dag
(0 bedømmelser)