Second opinion on the time it would take to correct an issue with a database

We have a school database for a charity organization event. Schools are entered into the an administration panel of our system and then teachers are sent a code to login the portion of our site where they are able to register students, pick a lunch for each student and add the amount of wristbands they would like to have shipped to their school for fundraising purposes. At this present time having multiple schools registered under the same email causes an administrator with multiple schools to only be able to login to one school account.

The database structure has a flaw: non-unique IDs are used in places where unique IDs are required. This seems to have effects in various places of the application. We need someone with database expertise to look at the database, give an estimate and do the work.

We are effectively looking for a second opinion for what it would take to solve this problem from someone with many years experience with sql

Skills: Database Administration, SQL

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About the Employer:
( 80 reviews ) Grande Prairie, Canada

Project ID: #4745025

33 freelancers are bidding on average $400 for this job


I have a decade of experience in sql projects. You can check my reviews for the same technology and please have a look at PM to see my latest projects. I generally understood what you need, but further discussion needs More

$515 CAD in 6 days
(13 Reviews)

Hello, I am experienced and certified ASP/PHP/ColdFusion developer. I am interested in this project and I did a project for you in past. I will be available for this project on immediate basis. Thanks, whi More

$444 CAD in 3 days
(58 Reviews)

Please check your inbox Thanks

$437 CAD in 3 days
(5 Reviews)

Hi, I have 8.5 years experience in designing databases in SQL Server. Expertise in writing Stored Procedures, Indexing and Performance optimization. Apart from that i have expertise in ASP.NET, C# and SSRS. I have M More

$555 CAD in 15 days
(8 Reviews)

I can do this work

$333 CAD in 3 days
(11 Reviews)

Hello, I have more than 12 years experience in MS SQL. Regards.

$555 CAD in 14 days
(4 Reviews)

Hello, sir I'm interested with your project. I'll do it for you. Regards.

$515 CAD in 2 days
(4 Reviews)

Good morning. Please review a proposed solution that may be easier to implement than others might be in my private message. I have several years experience black-box testing and fixing database code, from performance t More

$444 CAD in 5 days
(4 Reviews)

Hello, Please ignore the bid amount/time for now. I am a bit confused by the description. Is this job just to get second opinion on the time or is it to actually implement the changes? I have 12 years of experience More

$555 CAD in 3 days
(3 Reviews)

Hi I am Krisna, Sr. ETL Developer located in India. I would love to have the opportunity to interview with you about your posting. Details of my skills and experience as well as sample of work can be viewed here. More

$277 CAD in 10 days
(2 Reviews)

Professional developer with years of experience with SQL at your service. Please provide the current schema (no need the data), so i can review it. Feel free to contact me by private message to discuss the details.

$250 CAD in 5 days
(2 Reviews)

I have a 5-year expericence with database design. Consider your problem resolved!

$555 CAD in 1 day
(3 Reviews)

Hello sir, i can help you with this project. I have over 8 years of experience in database (MsSql, mySql, firebird) programming and recently i become php zce certified (proof on request) with +5 years of experience in More

$250 CAD in 7 days
(1 Review)

hi I am c#.Net developer and excellent in sql .i would like to work on your project thanks

$250 CAD in 10 days
(2 Reviews)

Please consider my bid

$333 CAD in 5 days
(1 Review)

Hi, Please check your inbox for more details. Thanks!

$250 CAD in 3 days
(1 Review)

Thanks for giving your precious time to review my bid and check PM! Thank you

$515 CAD in 3 days
(1 Review)

Hello, I am expert in MSsql, MySql, SQL. Please provide me details.

$250 CAD in 7 days
(2 Reviews)

I can help you, please check your Inbox

$300 CAD in 3 days
(2 Reviews)

Hi, I can take a look at the database, arrive at a solution to the non-unique ID issue and solve it. Thanks

$277 CAD in 5 days
(1 Review)