Find Jobs
Hire Freelancers

MySQL Script For Multi-Table Sum Calculation

$10-30 USD

Completed
Posted 14 days ago

$10-30 USD

Paid on delivery
I’m looking for an expert with MySQL skills to help me write a query or script. This task involves calculating the sum of items across three tables.. The complexity lies in filtering the said items between a certain date range and by a specific field value. Ideal Skills & Experience: • Proficient in writing SQL queries • Knowledge on MySQL, specifically on data manipulation among multiple tables • Excellent understanding of database design and principles • Problem solving ability to handle complex programming scenarios. Please note, I didn't provide the names of the fields to be summed in each table. So, the chosen freelancer will need to work with me and understand the complex structure of my database in order to pull this off. Therefore excellent communication and patience are a must. I look forward to working with you.
Project ID: 38067116

About the project

52 proposals
Remote project
Active 10 days ago

Looking to make some money?

Benefits of bidding on Freelancer

Set your budget and timeframe
Get paid for your work
Outline your proposal
It's free to sign up and bid on jobs
Awarded to:
User Avatar
Hello, I understand that you are seeking assistance with writing a MySQL query or script to calculate the sum of items across three tables, while filtering items based on a specific date range and field value. With my expertise in PHP and SQL, I am confident in my ability to handle this task effectively. I have extensive experience in database administration and programming, ensuring a deep understanding of database design principles. Effective communication is key in successfully navigating the complexities of your database structure. I am committed to maintaining clear and open communication throughout the project to ensure that the end result meets your requirements. I am eager to collaborate with you and tackle this challenge together. Best regards.
$14 USD in 1 day
5.0 (2 reviews)
1.3
1.3
52 freelancers are bidding on average $30 USD for this job
User Avatar
Consider it done. Could you kindly also share some sample data?
$30 USD in 1 day
4.9 (269 reviews)
8.0
8.0
User Avatar
HI! I am an expert web programmer. I have a lot of work experience in Laravel, Codeigniter, PHP, Wordpress, JavaScript, HTML, Vuejs, Reactjs, React Native, and MySQL. I can start right away. I want to discuss this project in detail. Please contact me to discuss more regarding this project. For more details Chat with me
$30 USD in 1 day
4.9 (145 reviews)
7.1
7.1
User Avatar
I am Database Expert , i just check your attachment script , i can solve it now , i have 25 years SQL experience and can solve any complex script , very much interested to solve it now
$25 USD in 1 day
5.0 (66 reviews)
6.3
6.3
User Avatar
Hello there, I did see your attachment, seem you want to calculate the fee for flat or medical care during period of time. Pls share me some data to sum up it to see. Waiting for your response if interested. Thank you!!!
$50 USD in 1 day
5.0 (62 reviews)
6.4
6.4
User Avatar
Hi, Hope you will be doing well!! Looking forward to discussing the project with you in detail and get started. RECOMMENDED FREELANCER _______ ⭐⭐⭐⭐⭐_______
$30 USD in 7 days
5.0 (52 reviews)
5.7
5.7
User Avatar
With my considerable knowledge of MySQL and PHP, I'm confident in my ability to help you create a script that accurately calculates and filters the sums from multiple tables within your specified date range. I understand the complexities involved in your project: working with intricate database structures and filtering using certain field values. My experience not only includes writing intricate SQL queries, but also manipulating data among multiple tables -a skill that will prove invaluable in tackling your project. I often find that good communication is essential, especially for projects of this nature. You can count on me to ask the right questions and actively involve you throughout the process to understand your database's complexities better. This approach will ensure that we develop an effective solution that's tailor-made to serve your unique needs. Given my track record of delivering high-quality work on time and my firm commitment to client satisfaction, I can confidently say that our collaboration will be smooth and productive. So let's get started and turn your vision into a fully functional reality!
$20 USD in 2 days
5.0 (77 reviews)
5.9
5.9
User Avatar
Hi, I'm Arun, a proficient database developer with extensive experience in MySQL and writing complex SQL queries. I understand the importance of precise data manipulation and am eager to assist you with your task of calculating the sum of items across three tables within specific filters. **Here’s how I can contribute to your project:** 1. **Complex Query Development:** I will write optimized SQL queries to accurately sum items across your three tables, incorporating filters by date range and specific field values. 2. **Database Structure Analysis:** With my strong background in database design and principles, I will work closely with you to understand the unique structure of your database, ensuring accurate data extraction. 3. **Communication and Collaboration:** Recognizing the importance of clear communication, I am committed to maintaining open and regular updates to ensure alignment with your requirements. **Past Experience:** I have successfully handled similar projects where complex data relationships and specific data filtering were required, delivering accurate and timely results. I am confident in my ability to execute this task with precision and look forward to collaborating with you to achieve your data analysis goals. Best regards, Arun
$25 USD in 1 day
4.8 (74 reviews)
5.9
5.9
User Avatar
Hi, I have handled various projects involving sql databases. I checked the attached detail of the problem and should be able to provide solution to you.
$18 USD in 3 days
5.0 (35 reviews)
5.6
5.6
User Avatar
Hello Client, I have expertise in php and MySQL development. I am looking for a long term relationship and ongoing work. I am looking forward to working with you! Thanks, Manish
$20 USD in 7 days
4.9 (29 reviews)
5.8
5.8
User Avatar
Hello, i have extensive experience (15+ years) in SQL development. i can help with your query requirement. You can check if the query result is what you are looking for and there is obligation. Let's discuss the table details and i can start immediately. i have gone through the attached document so have a fair idea already. Looking forward to hear from you. Regards,
$25 USD in 1 day
5.0 (60 reviews)
5.0
5.0
User Avatar
As an experienced PHP developer, I possess a rock-solid mastery over the database technologies such as MySQL and SQL queries. With my strong understanding of data manipulation among multiple tables and excellent problem-solving abilities, your MySQL script for multi-table sum calculation is well within my wheelhouse. The complexities of filtering items based on date range and specific field values are not new to me; in fact, they're challenges that I find stimulating! Moreover, I fully comprehend the importance of effective communication while working on a project of this nature, where a deep understanding of the complex database structure will be crucial. I assure you of my unwavering dedication to unravelling your data hierarchy, designing an appropriate script solution and delivering results that match your high standards. In a nutshell, you can place your full trust in my skills, proficiency and experience with PHP and SQL queries to tackle your project head-on. I’m excited at the prospect of solving complex puzzles like yours, and look forward to potentially collaborating with you on this task. Give me this opportunity to showcase my skills,and you won't be disappointed!
$30 USD in 2 days
4.8 (63 reviews)
4.9
4.9
User Avatar
Hello Sir , I have more than 8 years of experience in website development field and have many satisfied clients till now. Hope you will be the next satisfied clients of our's.
$30 USD in 1 day
5.0 (15 reviews)
4.9
4.9
User Avatar
Hi there, I checked your requirements and guarantee you that i have relevant experience in SQL it's gonna be done within the highest quality . Let's contact via chat so that I can start work immediately
$100 USD in 1 day
4.9 (13 reviews)
4.9
4.9
User Avatar
Hi I have 17+ years of professional sql server development, mysql, postgresql development and performance tuning experience. Experience in python and machine learning. C# and PowerShell programing experience as well. I will be able to help you with the project. Please ping me offline to discuss further.
$40 USD in 3 days
4.9 (12 reviews)
4.5
4.5
User Avatar
Hello, I'm an IT expert with more than 20 years of experience in the IT industry . I'm Cisco Certified networking professional 300-100 and 300-115 and Linux Certified Professional lpi 101, 102,103 and red hat certified system administrator and VMware Certified Professional 4, 5,5.5 and Data Center and Microsoft System administrateur /Engineer ranging from 2003 to 2019 .
$30 USD in 1 day
5.0 (7 reviews)
4.1
4.1
User Avatar
My name is Zoha, an expert IT strategist well-versed in various web development domains, and I believe my skills closely align with your project needs. While PHP is my primary focus, it’s inextricably linked to solid MySQL skills, which are necessary to manipulate data across multiple tables as you need. Not only do I have a strong command of SQL queries, but I'm also experienced in optimizing them for efficient data fetching and manipulation. As an added bonus, I bring solid problem-solving abilities to handle complex programming scenarios. My experiences encompass different complexities of database design and principles, allowing me to quickly understand and adapt to your system. I recognize that your project involves excellent communication and patience in fully understanding the complex structure of your database - qualities that define my work ethic. I'm committed to working closely with you, ensuring we are on the same page throughout the project. Overall, my seasoned skills in MySQL along with a comprehensive understanding of backend technologies make me an ideal candidate for your project. Let’s collaborate to develop a well-optimized MySQL script that calculates the sum of items within certain date ranges and by specific field values across your multi-table database. The end goal is always exceeding client expectations - let us achieve project success together!
$25 USD in 6 days
5.0 (9 reviews)
3.7
3.7
User Avatar
Having been a full-stack web developer for the past 5 years, my expertise in MySQL and PHP is ideal for your project. Not only am I proficient in writing SQL queries and handling complex programming scenarios, but I also have extensive knowledge in data manipulation among multiple tables - which aligns perfectly with what you need to accomplish. My deep understanding of database design principles will allow me to quickly grasp your database structure and provide an effective solution. Moreover, the patience and excellent communication trait you mentioned are something I religiously follow in my work approach. I understand the complexity and uniqueness of each database, and thus, believe in collaborating intensely with clients to deliver tailored solutions that meet their precise requirements. Credibility is essential, always. With a satisfaction guarantee, plus my commitment to 40+ hours of dedicated work per week, not only can you expect a quality output from me, but you can also rely on me to meet deadlines. I'm confident in my ability to generate a comprehensive MySQL script that precisely calculates sums from the specified fields between your defined date range. Thank you for considering my candidacy!
$10 USD in 1 day
4.3 (18 reviews)
4.2
4.2
User Avatar
Hi there, I have viewed the attached file and read the notes you wrote, I think I can do this project with you. I have good experience working with SQL queries. But I need you to send me a backup for the database to get better idea about the requirements. Message me to share more details. Thanks.
$30 USD in 2 days
5.0 (14 reviews)
3.6
3.6
User Avatar
Hello, I'm a SQL developer with more than 10 years of experience. I develop complex SQL queries, stored procedures, functions and optimize SQL code and databases. I will be happy to help you with your project. Sincerely.
$30 USD in 7 days
5.0 (5 reviews)
3.8
3.8
User Avatar
Hello, Let me straight to the problems. From your notes, we can solve the problem by using GROUP BY to sum the items and CASE WHEN for conditional FldRate amount. I can send sample query, just send me message. Regards, Ronsi
$10 USD in 1 day
5.0 (33 reviews)
3.7
3.7

About the client

Flag of UNITED STATES
Central square, United States
5.0
201
Payment method verified
Member since Apr 21, 2011

Client Verification

Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.