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demo_delete_many.js:
var MongoClient = require('mongodb').MongoClient; var url = "mongodb://localhost:27017/"; MongoClient.connect(url, function(err, db) { if (err) throw err; var dbo = db.db("mydb"); /*Delete all customers where the address starts with an "O":*/ var myquery = { address: /^O/ }; dbo.collection("customers").deleteMany(myquery, function(err, obj) { if (err) throw err; console.log(obj.result.n + " document(s) deleted"); db.close(); }); });
C:\Users\My Name>node demo_delete_many.js
2 document(s) deleted