Question : I know there are a lot questions about MANY TO MANY relationship, but none seem to work for […]
Tag: many-to-many
How to make unique check without creating heavy index in postgres
Question : I need to implement unique check for INSERT and UPDATE operations, but I would prefer to avoid creating […]
Design a many-to-many table for scale [closed]
Question : Closed. This question needs to be more focused. It is not currently accepting answers. Want to improve this […]
Mutually exclusive many-to-many relationships
Question : I have a table containers that can have a many-to-many relationships to several tables, let’s say those are […]
Select Items that has one item but not the other
Question : I have three tables: Table1: ID Name 1 Item1 2 Item2 3 Item3 Table2: ID Name Type 1 […]
Using JSONB Column or Another Table to Save Relationsips
Question : I tried to search here thoroughly but did not find any answers. I have a PostgreSQL database, which […]
Triggers: counting rows in a bridge table after INSERT
Question : I’m using a trigger in order to make a Statistic Table. I have this many-to-many relationship where I […]
How to achieve many to many relationship in this database design?
Question : I am currently working on small travel application in which users can add other users’ trips in their […]
Soccer league ER diagram (implementing a many to many relationship)
Question : I am planning on creating a database to track teams and players in a soccer league. The stats […]
many-to-many relationship with limitations
Question : I am working on a database model with a many-to-many relationship. I want to create a database which […]