Using relation & rollup properties

Notion databases become even more powerful when you link them together. Link to a row from another database with a relation, or show a specific property from a related table with a rollup.

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Notion allows you to connect items across multiple databases using Relations and Rollups.
- Relations allow you to connect pages from one database to another.
- Rollups allow you to pull specific properties from a database into another database.
As an example, you could connect the Tasks and Projects databases of an Engineering team.
- Create a Relation property in the Tasks database to link each task to its corresponding project. The changes made through Relations are reflected in both databases.
- Rollups can be used to aggregate data from one database to another, such as calculating the total estimated dev time for a project from individual task times.
As your workspace grows, Relations and Rollups offer more opportunities to make sense of your data.