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Compare values based on Pre-Requisites

  • March 16, 2020
  • 0 replies
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Hi, 

I need help in figuring out how to validate if the user currently registering for the training has attended the corresponding pre-requisite training. 
To elaborate, 

Trainings - Registrations (One-to-many)
Courses- Trainings (One-to-many)
Courses- Pre-Requisite Courses(One-to-many)

User will be able to "Register" for a training session, with the "Add Registration", for a specific training. 

How can i implement the logic to check whether the user registering for the current training has attended a pre-requisite course training?

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Divya P
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This topic has been closed for replies.

MarkShnierYou
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  • MarkShnierYou
  • Quickbase Alumni
  • March 16, 2020
Divya,
I do not have a lot of time right now, but here is a quick thought.

If you make a combined text summary field on the Course record to summarize the course codes for all the Pre-Reqs, then the course will "know" its Pre-Reqs.

Then that can be lookup up down to Trainings.

Then that can be looked up down to Registrations.

Similarly, I assume that 1 User has Many Registrations (you did not show that relationship), so you could summarize all the Registrations where the User has passed the course.

Then you would need to have a formula to calculate if each Pre-Req was contained in a string of course codes that the user has passed.


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Mark Shnier (YQC)
Quick Base Solution Provider
Your Quick Base Coach
http://QuickBaseCoach.com
mark.shnier@gmail.com
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Mark Shnier. Your Quickbase Coach
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  • DivyaOSSECon
  • Author
  • Quickbase Alumni
  • March 16, 2020
Thank Mark. Will try and keep you posted.

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Divya (OSSE-Contractor) Pogaku
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  • DonLarson
  • Quickbase Alumni
  • March 17, 2020
Divya,

I am assuming that you have an architecture that looks like this:


How many Courses are going to be in the DB? 

If you are dealing with a small number that can be easily managed by a single person, you can build Formula Check Box fields in the Students table that will determine if the requirements for a specific course have been met.   This is a manual process and requires data base maintenance in the Students table every time a Course has its Prerequisites changed.

Further assume in the Course Table that

Record ID# 5 is Course Number 300 and that it has two prerequisites of the Courses with Record ID #1 and Record ID#2
In the Students Table create Summary Fields from the Registrations Table using the [Related Course]

# of Courses RID 1     your filter is Related Course =1
# of Courses RID 2       your filter is Related Course =2

In the Students Table create the field [Course Req 300 FC}  
if (   [# of Courses RID 1] >0 and [# of Courses RID 2] >0, true, false)

Create a Formula User field in the Course table called Related Student User and set the value to User()
Add another relationship to your app between the Course and Students table.  Use the Related Student User field you just created as the reference.


Add the formula check box from Students to the Course Table

Create a new Formula Checkbox field in the Course Table called Student Qualified FC.   This will become a long If Statement but it begins like this

If (   [Record ID#]=5 and [Course Req 300 FC]= true, true, false)

Now your Course record knows if this Student is allowed to Register for it.

Expand your current Record Picker report in the Trainings table to also include 
[Student Qualified FC]=true

This will work if you are managing the Courses for a corporate department with a relatively small number of Courses and lots of Trainings.

If you are building this for a University with 10,000 courses, then this is a terrible idea and you should build a custom interface that uses traditional development tools to query the students past registrations, the current Course prerequisites and builds the Registration options for that student.




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Don Larson
Paasporter
Westlake OH
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