Node & MongoDB – Drop Collection

To drop a collection, you can use collection.drop() method to drop a collection.

MongoClient.connect(url, function(error, client) {
   // Connect to the database
   const database = client.db(''myDb'');
   // drop the collection
   database.collection(''sampleCollection'').drop(function(error, status) {
      if (error) throw error;
      if (status) {
         console.log("Collection deleted");		  
      }      
   });
});

Example

Try the following example to drop a mongodb collection −

Copy and paste the following example as mongodb_example.js −

const MongoClient = require(''mongodb'').MongoClient;
// Prepare URL
const url = "mongodb://localhost:27017/";
// make a connection to the database
MongoClient.connect(url, function(error, client) {
   if (error) throw error;
   console.log("Connected!");
   // Connect to the database
   const database = client.db(''myDb'');
   // Create the collection
   database.collection(''sampleCollection'').drop(function(error, status) {
      if (error) throw error;
      if (status) {
         console.log("Collection deleted.");		  
      }      
   });
   // close the connection
   client.close();
});

Output

Execute the mysql_example.js script using node and verify the output.

node mongodb_example.js
Connected!
Collection deleted.