My requirement is to find a single key only without any condition. So, what is the query operation for that. From theMongoDB docs: A projection can explicitly include several fields. In the following operation,find()method returns all documents that match the query. In the result ...
An LLM then uses the user’s question, prompt, and the retrieved documents to generate an answer to the question. How to evaluate a RAG application The main elements to evaluate in a RAG application are as follows: Retrieval: This involves experimenting with different data processing strategies,...
To enable RAG to retrieve relevant documents, we need a vector search engine that can efficiently store and query large-scale document embeddings. MongoDB Atlas allows us to index documents based on their embeddings and perform similarity search using cosine distance, euclidean distanc...
db.teams.find({}); Output: Use the Projection Method to Select Single or Multiple Fields for All Documents in a MongoDB Collection A projection can explicitly include several fields. Thefind()method will return all the pages that match the query in the following operation. ...
How to update one but return all documents in MongoDB? Are there is any way to find document by id, update it and return all the documents? My model is Painting and it contains objects of products. I can update and get one product, but can I get all products? Painting.findAndModify(...
Instead, it uses JSON-like documents with dynamic schemas, meaning that, unlike relational databases, MongoDB does not require a predefined schema before you add data to a database. You can alter the schema at any time and as often as is necessary without having to set up a new database...
The documents stored in MongoDB are JSON-like. All data stored into the collection are in BSON format. Switch to a MongoDB database > use myinfo switch to db myinfo Define a document for MongoDB database > document=({"user_id" : "ABCDBWN","password" :"ABCDBWN" ,"date_of_join"...
Step 2: Commands To Export MongoDB Documents In CSV Toexport MongoDB to Excel& CSV format, you have to specify all the fields in your export query that you want, along with the order you want them in. Example query: mongoexport --db=customers --collection=info --type=csv --fields=na...
MongoDBMongoDB Match Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% theaggregate()Method in MongoDB Match Multiple Values in MongoDB Sometimes we need to query and find documents based on matching multiple field values. For example, we may need to get all the documents...
With MongoDB Compass, sometimes shortened toCompass, you can access most of the features the MongoDB database engine offers through an intuitive visual display. You can glance through databases, collections and individual documents, interactively create queries, manipulate existing documents, and design...