Why can't I store vectors in MongoDB or PostgreSQL?
You can. Extensions like pgvector (PostgreSQL) exist, but dedicated vector databases are often more performant at scale.
Verify This Answer
Cross-check this information using these trusted sources:
More FAQs in What is a Vector Database and Why Do You Need One?
A mathematical metric measuring the cosine of the angle between two vectors, indicating how close their meanings are.
The length of the vector array. For example, OpenAI's text-embedding-3-small generates vectors of size 1536.
If your document changes, you must regenerate its embedding and overwrite the old vector in the database.
Still have questions?
Browse all our FAQs or reach out to our support team