What are Sequelize associations and how do I use them?
An example of an AI chatbot conversation about Sequelize associations in database models.
What are Sequelize associations and how do I use them?
Sequelize associations are used to define relationships between models in a database. They help in structuring data effectively.
Can you explain the different types of associations?
Sure! The main types are One-to-One, One-to-Many, and Many-to-Many. Each serves a different purpose in data relationships.
How do I set up a One-to-Many association?
To set up a One-to-Many association, you can use the hasMany method on the parent model and belongsTo on the child model.
Can you give me a code example?
Absolutely! Here's a simple example:
User.hasMany(Post);
Post.belongsTo(User);
What about Many-to-Many associations?
For Many-to-Many, you use belongsToMany on both models and create a junction table to manage the relationships.
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