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Using MongoDB with popular programming languages
MongoDB is a popular NoSQL database that can be used with a variety of programming languages, including Python, Java, and Node.js. Here are some examples of how to use MongoDB with these languages:
- Python: To use MongoDB with Python, you can use the PyMongo library. Here's an example of how to connect to a MongoDB database using PyMongo:
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import pymongo
client = pymongo.MongoClient("mongodb://localhost:27017/")
db = client["mydatabase"]
This code connects to a MongoDB instance running on the local machine and creates a new database called "mydatabase".
- Java: To use MongoDB with Java, you can use the MongoDB Java Driver. Here's an example of how to connect to a MongoDB database using the Java Driver:
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import com.mongodb.client.MongoClients;
import com.mongodb.client.MongoClient;
import com.mongodb.client.MongoDatabase;
MongoClient mongoClient = MongoClients.create("mongodb://localhost:27017");
MongoDatabase database = mongoClient.getDatabase("mydatabase");
This code connects to a MongoDB instance running on the local machine and creates a new database called "mydatabase".
- Node.js: To use MongoDB with Node.js, you can use the MongoDB Node.js Driver. Here's an example of how to connect to a MongoDB database using the Node.js Driver:
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const { MongoClient } = require('mongodb');
const uri = "mongodb://localhost:27017/";
const client = new MongoClient(uri);
async function run() {
try {
await client.connect();
const database = client.db('mydatabase');
} finally {
await client.close();
}
}
run().catch(console.dir);
This code connects to a MongoDB instance running on the local machine and creates a new database called "mydatabase". Note that the Node.js Driver uses asynchronous code, so the connection is established using a Promise-based API.
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