How did Tintin lead Sai in discovering vector databases?
- Sai Sravan Cherukuri
- 2 days ago
- 4 min read

The other day, I was flipping through some old Tintin comics, looking for The Calculus Affair. I couldn't remember the title, only this: "That one where Professor Calculus is kidnapped, and there's a hidden lab."
I typed something vague into the search bar:
"Tintin story with kidnapping and a secret lab." To my surprise, the right comic popped up instantly. That moment made me pause. How did the system know what I meant when I didn't mention "Calculus" or "The Calculus Affair"? That's when I discovered the hidden power behind many modern search systems: vector databases.
What Is a Vector Database? Let's break it down.
In traditional databases, data is stored in rows and columns. You might search for "Title = The Calculus Affair" and get a perfect match. But what if you don't remember the title? That's where vector databases come in.
Instead of exact keywords, vector databases store embeddings of mathematical representations of text, images, or audio captured as vectors (think long lists of numbers).
For example:
The phrase "Tintin comic with a hidden lab" might be transformed into a vector like this: [0.02, -0.78, 0.31, ..., 0.13]
Similarly, the description of The Calculus Affair is also stored as a vector.
Then, the system compares the query vector with stored vectors using cosine similarity or Euclidean distance to find the closest match, even if the exact words don't align.
It's like finding which comic is most similar to your question semantically.
Why Are Vector Databases Useful? Because they understand the meaning, not just keywords. Here's a simple comparison:
Traditional DB | Vector DB |
Exact matches | Fuzzy, semantic matches |
Good for structured data | Great for unstructured data (text, image, video) |
Needs precise keywords | Works with natural language |
Tintin Examples in Real Life
Let's say you built a Tintin comic recommender. You want it to work like this:
User types: "I want an adventure in the mountains. "Response: "Try Tintin in Tibet."
A traditional keyword search might fail if the word "mountains" isn't in the comic's description. However, a vector search understands the concept of "adventure + mountains" and maps that to Tintin in Tibet based on context.
How Are These Vectors Created?
Through embedding models, like OpenAI's text-embedding-ada-002, BERT, or CLIP for images. These models read your text or image and translate it into a dense vector that captures the meaning.
In our Tintin example:
"Hidden lab and spies. "It would be converted to a vector and matched against comic plots to return The Calculus Affair.
Fun Fact: You can even do this with images. Show a panel of a snowy mountain, and a vision-language model can help identify it as Tintin in Tibet.
Use Cases of Vector Databases
Here are some powerful applications:
Semantic Search: Like our Tintin example, finding items based on meaning, not just keywords.
Document Search: "Which policy talks about disaster response funding?" even if those words aren't used.
Multimedia Retrieval: Find similar movie scenes or comic panels by uploading images.
Genomics/Biology: Search for similar DNA sequences using embeddings.
E-commerce: "Show me dresses like this one" by uploading a photo.
Chat with Your Data: Use LLMs + vector DB to build chatbots grounded in company documents.
Want to See This in Action? Try Vision-Language Models
You can explore Vision-Language Models (VLMs), which do similar things but across modalities (text + image). One popular example is CLIP by OpenAI: CLIP understands images and text in the same vector space. You could search Tintin comics by typing: "Comic where a plane crashes in the snow"…and get an actual comic panel from Tintin in Tibet.
How Vector Databases and MongoDB Connect and Why I Went for the Badge
When I started exploring vector databases, I was fascinated by how they store semantic meaning rather than just raw text. Imagine trying to search for a Tintin comic by typing "that snowy adventure with a submarine" and finding "Red Rackham's Treasure. "That's what a vector database can do!
But then I wondered if traditional databases like MongoDB could handle this intelligent, fuzzy search. It turns out that MongoDB is already evolving to support vector search natively. That was a lightbulb moment.
Why MongoDB Caught My Eye
MongoDB is known for its flexible document model and scalability. But with the rise of AI and semantic search, MongoDB's addition of vector search capabilities means it's now stepping into the world of AI-powered applications.
MongoDB lets you:
Store documents alongside their vector embeddings.
Run semantic similarity searches natively.
Combine traditional structured queries with AI-driven search, all in one place.
Inspiration to Earn the MongoDB Badge
This realization made me dive deeper into MongoDB's advanced features, leading me to study its vector search, indexing strategies, and AI integration potential. That exploration made me want to earn the MongoDB Vector Search badge to validate what I learned.
The badge symbolizes understanding MongoDB basics, being future-ready, and integrating traditional data management with next-gen AI search capabilities.
Final Thoughts
Like Tintin solving mysteries with intuition, vector databases help AI systems understand the deeper meaning behind what we ask, even if our memory is fuzzy. Whether finding lost comics, organizing massive archives, or building more competent AI assistants, vector databases quietly power the intelligence behind the scenes.
And for me? It all started with Tintin.