1
vote
3answers
102 views

Many one-to-many relationships between two tables

In the process of creating a small database for a therapeutic boarding school with Access 2013, I have a problem when designing the relational database model. Two times at least, I ran into a ...
0
votes
0answers
32 views

Spotting foreign key relations in a database that doesn't define all relationships as constraints?

At work I use a rather old MS Access database which defines some relations between tables, but does not outright define all of them. If the database application used an ORM, I would think that this ...
2
votes
2answers
79 views

Several stays: many-to-many relationship

Could you please help me with the following problem? I'm a total novice in DB design. I have a table with researchers who visit our university. They come for some period of time (from, till). Now, ...
2
votes
3answers
580 views

Database Design Relationship for Patient Visit in MS Access

I am designing a database to store records for research purposes, and I am having trouble picturing how I can create a relational database based on the information I have. There are a total of 6 ...
1
vote
1answer
182 views

Database Relational Design for Multiple Categories

I am building a database for participants who are grouped into studies. There's a total of 5 different studies - A, B, C, D, and E. The participants may be in more than one studies, and participants ...