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Database

MongoDB

Let's talk to you about the rich index types in MongoDB

This article will take you to understand MongoDB and introduce the rich index types in MongoDB. I hope it will be helpful to everyone!

Feb 17, 2022 am 10:58 AM

MongoDB 索引类型

Let's talk about several issues about MongoDB replica sets

The MongoDB tutorial explains why you should use replica sets: 1. Back up data through the built-in mongo_dump/mongo_restore tool. Backup can also be achieved, but after all, it is not as convenient as the automatic synchronization backup of replica sets. 2. Automatic failover. A replication set is deployed. When the primary node fails...

Dec 21, 2020 pm 06:01 PM

MongoDB 复制集

Update of MongoDB document (php code example)

MongoDB update documents are divided into two categories: document replacement, which completely replaces the old document modifier with a new document, and modifies part of the document. Document replacement is very simple. Let’s take a look at the demonstration...

Aug 24, 2020 pm 02:39 PM

MongoDB

Creation and deletion of MongoDB documents (php code example)

Note that all code examples in this article are demonstrated using PHP code. Install the MongoDB extension extension package installation address: https://pecl.php.net/package/mongodb Download the most stable version, and then upload the extension package to the server.

Aug 21, 2020 pm 12:03 PM

MongoDB

Detailed explanation of the characteristics, principles, usage scenarios, and application cases of MongoDB

MongoDB is a product between a relational database and a non-relational database. It is the most feature-rich among non-relational databases and is most similar to a relational database. The data structure it supports is very loose and is a bson format similar to json, so it can store more complex data types.

Aug 19, 2020 am 11:06 AM

MongoDB

A popular explanation of the concepts of MongoDB databases, collections, and documents

For relational databases, we know that there are multiple tables in the database and multiple rows of data in the data tables. For MongoDB, there are multiple collections in the database, and the collections contain multiple documents. The database concept of MongoDB is similar to that of Mysql. Each database can set independent permissions.

Aug 19, 2020 am 10:27 AM

MongoDB