DB Queries Optimize

The purpose of this project is to validate and optimize 55 Postgres database queries. These queries do basic calculation with a simple but specific output format. All the queries will be provided with performance measurements in their current working format.

More details about the project can be found on the following Google Doc:

[url removed, login to view]

The specific queries and their current performance measurements can be found on this Google Sheet:


Sql files containing schema and data will be provided on acceptance of the project.

There is a high probably of additional work if the project is successfully completed in a efficient and effective manner.

Beceriler: PostgreSQL

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İşveren Hakkında:
( 0 değerlendirme ) Seattle, United States

Proje NO: #13373016

8 freelancers are bidding on average $514 for this job


Hi Dear I have a lot of experience in DataBases ,Data Warehous,DB2 , Teradata etc . I am DataBases + Warehouse certified from Oracle,postgresSQL,SQL SERVER , Access. I have done many work in Requirements analysis , D Daha fazlası

in 10 gün içinde250$ USD
(1 Değerlendirme)

Dear Sir/Ma'am, Greeting for the day, Hope you are doing well I would like to introduce OMANGOM Infosystems Pvt Ltd ([url removed, login to view]). We are software Development Company based in India. If you are looking for custo Daha fazlası

in 15 gün içinde777$ USD
(0 Değerlendirme)

Queries-Optimize Hello, This is not copy/paste message. I read your requirements. I am interested for this job. I have expertise in Wordpress, Laravel, Magento, AngularJS, Ruby on Rails, Core PHP etc. technolo Daha fazlası

in 10 gün içinde555$ USD
(0 Değerlendirme)

Hello, my name is Michael. I represent Ukrainian based IT-company Webbook Inc that provides services in the IT-sphere for international business. We were carefully reviewing the requirements of the job description, so Daha fazlası

in 12 gün içinde530$ USD
(0 Değerlendirme)

This will be my first project on this freelancer website and would be glad to give you the best of service with all my capabilities being a database developer for almost 11 years.

in 10 gün içinde444$ USD
(0 Değerlendirme)

Without looking at the data or structure of the tables it would be difficult to give a proper solution. But we can use Explain query to understand the performance bottlenecks. These can then be optimized using Indices Daha fazlası

in 21 gün içinde500$ USD
(0 Değerlendirme)

Dear Sir, I have been working on Databases and Dataware housing for the last 9 years and I am very proficient in optimizing the queries. Although I am new to freelancer you may check my linkedin profile and my previous Daha fazlası

in 6 gün içinde500$ USD
(0 Değerlendirme)

I love PostgreSql...and I think that's the key to a well-done job. I am sure I can leave you with the best impression of my work done!. Thanks in advance!

in 10 gün içinde555$ USD
(0 Değerlendirme)