nodejs with mongodb

 

 

💥Database Created

To create a database in MongoDB, start by creating a MongoClient object, then specify a connection URL with the correct ip address and the name of the database you want to create.

💥Creating a Table

 To create a table in mongodb use the creteCollection()

💥 Insert Into Table

To insert a record into a table in MongoDbB, We use the insertOne().

 💥Select One

To select data from a table in MongoDB we can use the findOne()

 💥Node.js MongoDB Query

When selecting records from a table, you can filter the result by using a query object.
We can use find() method for limit the search

 💥Node.js MongoDB Remove

Delete Record

We can use remove() command to delete records or documents in Node.js MongoDB

💥Drop Collection

we use drop() methode for to delete a table or collection in node.js MongoDB 

var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/mydb";
MongoClient.connect(url, function(err, db) {
  if (err) throw err;
  db.dropCollection("customers", function(err, delOK) {
    if (err) throw err;
    if (delOK) console.log("Table deleted");
    db.close();
  });
}); 

 

 Save and run this file we get the message "table deleted"