Exploring the different database relationships
In the client-server model, the database resides at the server end of the infrastructure. The database is core to any production-grade web application in collecting and storing application data. Understanding relationships that exist in a database is vital for organizing, managing, and retrieving useful data from a database.
As previously mentioned, there are three types of relationships that exist in a database – one-to-one, one-to-many, and many-to-many. We will begin by delving into the concept of a one-to-one relationship.
One-to-one (1:1) relationship
A one-to-one relationship in a data model refers to a direct link relationship that exists in information between two tables. With a one-to-one relationship, you have a situation where a record in one table is directly associated with a specific row in another table. For clarity, let’s quickly dive into a scenario where you have two tables – speakers
and...