How do I know which MongoDB version is installed using the command line?
First open CMD, and then reach the BIN directory of MongoDB. The screenshot of opening CMD prompt is as follows.
Above, we entered the Run dialog box by pressing "Start" and then typing "RUN" and "ENTER".
Now, type CMD and press OK button to get the command line. The screenshot is as follows -
# Reach the BIN directory of MongoDB. Here's how to get to the BIN -
#Use query mongo --version. The query screenshot is as follows -
#It shows that our current MongoDB version is v4.0.5.
The above is the detailed content of How do I know which MongoDB version is installed using the command line?. For more information, please follow other related articles on the PHP Chinese website!
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!
Hot Article
Hot Tools
Notepad++7.3.1
Easy-to-use and free code editor
SublimeText3 Chinese version
Chinese version, very easy to use
Zend Studio 13.0.1
Powerful PHP integrated development environment
Dreamweaver CS6
Visual web development tools
SublimeText3 Mac version
God-level code editing software (SublimeText3)
Hot Topics
MongoDB Performance Tuning: Optimizing Read & Write Operations
Apr 03, 2025 am 12:14 AM
The core strategies of MongoDB performance tuning include: 1) creating and using indexes, 2) optimizing queries, and 3) adjusting hardware configuration. Through these methods, the read and write performance of the database can be significantly improved, response time, and throughput can be improved, thereby optimizing the user experience.
How to set up users in mongodb
Apr 12, 2025 am 08:51 AM
To set up a MongoDB user, follow these steps: 1. Connect to the server and create an administrator user. 2. Create a database to grant users access. 3. Use the createUser command to create a user and specify their role and database access rights. 4. Use the getUsers command to check the created user. 5. Optionally set other permissions or grant users permissions to a specific collection.
How to handle transactions in mongodb
Apr 12, 2025 am 08:54 AM
Transaction processing in MongoDB provides solutions such as multi-document transactions, snapshot isolation, and external transaction managers to achieve transaction behavior, ensure multiple operations are executed as one atomic unit, ensuring atomicity and isolation. Suitable for applications that need to ensure data integrity, prevent concurrent operational data corruption, or implement atomic updates in distributed systems. However, its transaction processing capabilities are limited and are only suitable for a single database instance. Multi-document transactions only support read and write operations. Snapshot isolation does not provide atomic guarantees. Integrating external transaction managers may also require additional development work.
What are the tools to connect to mongodb
Apr 12, 2025 am 06:51 AM
The main tools for connecting to MongoDB are: 1. MongoDB Shell, suitable for quickly viewing data and performing simple operations; 2. Programming language drivers (such as PyMongo, MongoDB Java Driver, MongoDB Node.js Driver), suitable for application development, but you need to master the usage methods; 3. GUI tools (such as Robo 3T, Compass) provide a graphical interface for beginners and quick data viewing. When selecting tools, you need to consider application scenarios and technology stacks, and pay attention to connection string configuration, permission management and performance optimization, such as using connection pools and indexes.
How to sort mongodb index
Apr 12, 2025 am 08:45 AM
Sorting index is a type of MongoDB index that allows sorting documents in a collection by specific fields. Creating a sort index allows you to quickly sort query results without additional sorting operations. Advantages include quick sorting, override queries, and on-demand sorting. The syntax is db.collection.createIndex({ field: <sort order> }), where <sort order> is 1 (ascending order) or -1 (descending order). You can also create multi-field sorting indexes that sort multiple fields.
MongoDB vs. Oracle: Data Modeling and Flexibility
Apr 11, 2025 am 12:11 AM
MongoDB is more suitable for processing unstructured data and rapid iteration, while Oracle is more suitable for scenarios that require strict data consistency and complex queries. 1.MongoDB's document model is flexible and suitable for handling complex data structures. 2. Oracle's relationship model is strict to ensure data consistency and complex query performance.
The difference between MongoDB and relational database and application scenarios
Apr 12, 2025 am 06:33 AM
Choosing MongoDB or relational database depends on application requirements. 1. Relational databases (such as MySQL) are suitable for applications that require high data integrity and consistency and fixed data structures, such as banking systems; 2. NoSQL databases such as MongoDB are suitable for processing massive, unstructured or semi-structured data and have low requirements for data consistency, such as social media platforms. The final choice needs to weigh the pros and cons and decide based on the actual situation. There is no perfect database, only the most suitable database.
What to do if there is no transaction in mongodb
Apr 12, 2025 am 08:57 AM
MongoDB lacks transaction mechanisms, which makes it unable to guarantee the atomicity, consistency, isolation and durability of database operations. Alternative solutions include verification and locking mechanisms, distributed transaction coordinators, and transaction engines. When choosing an alternative solution, its complexity, performance, and data consistency requirements should be considered.
