Data-Modeling

MongoDB’s flexible schema is a strength and a trap. You can store anything, but bad data modeling causes slow queries and bloated documents. Good modeling matches your access patterns. The Key Question: Embed or Reference? In SQL, you normalize data into separate tables and join them. In MongoDB, you have a choice: embed related data in the same document, or store it separately and reference it. Embed when: Data is always accessed together Child data belongs to only one parent The embedded data is bounded in size Reference when: ...