Many-to-Many

Many-to-Many Relationships occur when each record in a collection relate to several other records in another collection, and vice versa.

Learn About Many-to-Many Relationships


Many-to-Many Relationship

A many-to-many relationship exists when records in one collection can be connected to multiple records in another collection, and vice versa.

Example: Tasks and Users

  • One task can be assigned to multiple users AND One user can be assigned to multiple tasks


Relationships vs Join Collections

Relationships are essential for organizing data in Adalo, but they come with performance trade-offs. Understanding the difference between direct relationships and junction collections allows you to make informed decisions about your data structure.

  • Use relationships for simple, one-to-many connections and small datasets

  • Use junction collections when possible for many-to-many relationships and before number of relationships to any single collection becomes an issue

  • Plan ahead: Choose your data structure with growth in mind

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