newObjectId()ObjectId("5cd7bf316d78f205348bc647")>newObjectId( )ObjectId(&"/> newObjectId()ObjectId("5cd7bf316d78f205348bc647")>newObjectId( )ObjectId(&">
search
HomeDatabaseMongoDBHow to generate ObjectID in MongoDB?

How to generate ObjectID in MongoDB?

To generate ObjectID, use the following syntax in MonogDB shell −

new ObjectId()

Let us implement the above syntax to generate ObjectID in MongoDB −

> new ObjectId()
ObjectId("5cd7bf2f6d78f205348bc646")

> new ObjectId()
ObjectId("5cd7bf316d78f205348bc647")

> new ObjectId()
ObjectId("5cd7bf336d78f205348bc648")

> new ObjectId()
ObjectId("5cd7bf346d78f205348bc649")

> new ObjectId()
ObjectId("5cd7bf356d78f205348bc64a")

> new ObjectId()
ObjectId("5cd7bf396d78f205348bc64b")

> new ObjectId()
ObjectId("5cd7bf3a6d78f205348bc64c")

As shown above, you will get a new ObjectId every time.

The above is the detailed content of How to generate ObjectID in MongoDB?. For more information, please follow other related articles on the PHP Chinese website!

Statement
This article is reproduced at:tutorialspoint. If there is any infringement, please contact admin@php.cn delete
The Power of MongoDB: Data Management in the Modern EraThe Power of MongoDB: Data Management in the Modern EraApr 13, 2025 am 12:04 AM

MongoDB is a NoSQL database because of its flexibility and scalability are very important in modern data management. It uses document storage, is suitable for processing large-scale, variable data, and provides powerful query and indexing capabilities.

How to delete mongodb in batchesHow to delete mongodb in batchesApr 12, 2025 am 09:27 AM

You can use the following methods to delete documents in MongoDB: 1. The $in operator specifies the list of documents to be deleted; 2. The regular expression matches documents that meet the criteria; 3. The $exists operator deletes documents with the specified fields; 4. The find() and remove() methods first get and then delete the document. Please note that these operations cannot use transactions and may delete all matching documents, so be careful when using them.

How to set mongodb commandHow to set mongodb commandApr 12, 2025 am 09:24 AM

To set up a MongoDB database, you can use the command line (use and db.createCollection()) or the mongo shell (mongo, use and db.createCollection()). Other setting options include viewing database (show dbs), viewing collections (show collections), deleting database (db.dropDatabase()), deleting collections (db.<collection_name>.drop()), inserting documents (db.<collecti

How to deploy a mongodb clusterHow to deploy a mongodb clusterApr 12, 2025 am 09:21 AM

Deploying a MongoDB cluster is divided into five steps: deploying the primary node, deploying the secondary node, adding the secondary node, configuring replication, and verifying the cluster. Including installing MongoDB software, creating data directories, starting MongoDB instances, initializing replication sets, adding secondary nodes, enabling replica set features, configuring voting rights, and verifying cluster status and data replication.

How to use mongodb application scenarioHow to use mongodb application scenarioApr 12, 2025 am 09:18 AM

MongoDB is widely used in the following scenarios: Document storage: manages structured and unstructured data such as user information, content, product catalogs, etc. Real-time analysis: Quickly query and analyze real-time data such as logs, monitoring dashboard displays, etc. Social Media: Manage user relationship maps, activity streams, and messaging. Internet of Things: Process massive time series data such as device monitoring, data collection and remote management. Mobile applications: As a backend database, synchronize mobile device data, provide offline storage, etc. Other areas: diversified scenarios such as e-commerce, healthcare, financial services and game development.

How to view the mongodb versionHow to view the mongodb versionApr 12, 2025 am 09:15 AM

How to view MongoDB version: Command line: Use the db.version() command. Programming language driver: Python: print(client.server_info()["version"])Node.js: db.command({ version: 1 }, (err, result) => { console.log(result.version); });

How to sort mongodbHow to sort mongodbApr 12, 2025 am 09:12 AM

MongoDB provides a sorting mechanism to sort collections by specific fields, using the syntax db.collection.find().sort({ field: order }) ascending/descending order, supports compound sorting by multiple fields, and recommends creating indexes to improve sorting performance.

How to connect to mongodbHow to connect to mongodbApr 12, 2025 am 09:09 AM

To connect to MongoDB with Navicat: Install Navicat and create a MongoDB connection; enter the server address in the host, enter the port number in the port, and enter the MongoDB authentication information in the user name and password; test the connection and save; Navicat will connect to the MongoDB server.

See all articles

Hot AI Tools

Undresser.AI Undress

Undresser.AI Undress

AI-powered app for creating realistic nude photos

AI Clothes Remover

AI Clothes Remover

Online AI tool for removing clothes from photos.

Undress AI Tool

Undress AI Tool

Undress images for free

Clothoff.io

Clothoff.io

AI clothes remover

AI Hentai Generator

AI Hentai Generator

Generate AI Hentai for free.

Hot Article

R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. Best Graphic Settings
3 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
R.E.P.O. How to Fix Audio if You Can't Hear Anyone
4 weeks agoBy尊渡假赌尊渡假赌尊渡假赌
WWE 2K25: How To Unlock Everything In MyRise
1 months agoBy尊渡假赌尊渡假赌尊渡假赌

Hot Tools

SublimeText3 Mac version

SublimeText3 Mac version

God-level code editing software (SublimeText3)

Safe Exam Browser

Safe Exam Browser

Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.

MantisBT

MantisBT

Mantis is an easy-to-deploy web-based defect tracking tool designed to aid in product defect tracking. It requires PHP, MySQL and a web server. Check out our demo and hosting services.

SecLists

SecLists

SecLists is the ultimate security tester's companion. It is a collection of various types of lists that are frequently used during security assessments, all in one place. SecLists helps make security testing more efficient and productive by conveniently providing all the lists a security tester might need. List types include usernames, passwords, URLs, fuzzing payloads, sensitive data patterns, web shells, and more. The tester can simply pull this repository onto a new test machine and he will have access to every type of list he needs.

ZendStudio 13.5.1 Mac

ZendStudio 13.5.1 Mac

Powerful PHP integrated development environment