MongoDB
MongoDB is currently a popular NoSQL database. At present, the community version has been downloaded more than 60 million times worldwide, and there are more than 13,000 enterprise users. Many well-known domestic and foreign companies such as Facebook, Cisco, Adobe, Huawei, Bank of China, Alibaba Cloud and Tencent are all users of MongoDB.
MongoDB advantages:
- Document-oriented storage: Save data in JSON format documents.
- Any attribute can be indexed.
- Replication and high scalability.
- Automatic sharding.
- Rich query function.
- Fast real-time updates.
- Professional support from MongoDB.
If you happen to be interested in MongoDB or want to improve your own technical points or do not understand this aspect thoroughly , you will be a little bit confused about the interviewer's questions. Here is a small editor to share with you a pure hand- written MongoDB core notes, the memory of graphics and text is better understood, very suitable for friends who need to learn MongoDB ! Due to space reasons, if you need the complete documentation of the MongoDB core notes, you can get a free method at the end of the article!
There are two sets of notes from entry to proficiency
Due to space reasons, in order not to affect the reading, the entire catalog and content screenshots are shown here. This MongoDB core note that has been organized into a complete document has the need to like it + collect it after collection: https://docs.qq.com /doc/DTlpqcU53c0JtdkZx
MongoDB-Quick Start
Overview:
- Understand MongoDB's business scenarios, and be familiar with MongoDB's introduction, features, architecture, and data types.
- Able to install and start MongoDB under Windows and Linux, and install and use the graphical management interface Compass
- Master the basic common commands of MongoDB to realize CRUD of data
- Master the index types, index management, and execution plan of MongoDB.
- Use Spring Data MongoDB to complete the development of article comment business
1, MongoDB related concepts
2. Stand-alone deployment
3. Basic commonly used commands, view the database commands currently in use
4. Index-Index
5. Actual case of article comment
MongoDB-Cluster Security
Overview:
- MongoDB replica set: operation, main concepts, failover, election rules
- MongoDB sharded cluster: concept, advantages, operation, sharding strategy, failover
- MongoDB security certification
1. Replica Sets-Replica Sets
2. Sharded Cluster
3. Safety certification
Due to space reasons, in order not to affect the reading, the entire catalog and content screenshots are shown here. The MongoDB notes that have been organized into documents need only to like + bookmark and poke here for free: https://docs.qq. com/doc/DTlpqcU53c0JtdkZx
Note: It's not easy to organize, I hope you don't be a collector, and move your fingers to help the author to forward it. Thank you! ! Later, we will bring more dry goods from time to time