Python operation MongoDB [learning summary]
MongoDB MongoDB is a database based on distributed file storage. Written by C + +. It aims to provide scalable high-performance data storage solutions for WEB applications. MongoDB is a product between relational database and non relational database, which has the most abundant functions and isUTF-8...
Posted by BrianG on Sun, 16 May 2021 07:49:24 +0930
MongoDB in windows system installation configuration details and basic operation
1. Types of databases type Relational: oracle, mysql, sqlite, sqlServer, etcNot Only SQL: MongoDB (document), Redis, Memcache (memory) Differences between relational and non relational database software Similarities: Are database software, used to store project data difference: Relationship typUTF-8...
Posted by xentia on Wed, 19 May 2021 04:14:16 +0930
MongoDB basic configuration in CentOS-7
How to install compressed package Download MongoDB of Linux version through wget wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-rhel62-3.4.3.tgz Unzip the package to the directory you want to install tar -xvzf mongodb-linux-x86_64-rhel62-3.4.3.tgz -C /usr/local Through the list commUTF-8...
Posted by jemrys on Thu, 20 May 2021 02:40:33 +0930
MongoDB collation introduces official cloud usage
Introduction to MongoDB MongoDB is a document-oriented, non-relational database (NoSQL) written in C+.Non-relational databases are stored as key-value pairs, have an irregular structure, are easy to store, and reduce time and space overhead.Document databases usually store data in JSON or XML fUTF-8...
Posted by snowrhythm on Mon, 07 Jun 2021 02:10:21 +0930
Zero basic learning MongoDB -- document CRUD operation
1, Insert data 1.1 insert single document 1.1.1 insert function Syntax format: db.collectionname.insert (document) db is the database of the current operationcollectionName is the collection of operations, which is not automatically createdIf the inserted document does not have_ The id propertUTF-8...
Posted by iceman2g on Wed, 14 Jul 2021 05:10:00 +0930
Setting up MongoDB Cluster under Windwos
1. Download MongoDB Go to the MongoDB website to download the unpacked version of the install-free package. https://www.mongodb.com/try/download/community: 2. Cluster Description Install three MongoDB instances on the same Windows machine, one master (27018), one slave (27019), and one ruling UTF-8...
Posted by abhi_madhani on Wed, 14 Jul 2021 08:50:05 +0930
MongoDB security authentication
Safety certification overview MongoDB has no account by default and can be connected directly without authentication. In the actual project, permission verification must be carried out, otherwise the consequences will be unimaginable. Since 2016, there have been a number of MongoDB hacker ransoUTF-8...
Posted by Todd88 on Sun, 08 Aug 2021 09:45:21 +0930
Python operates MongoDB. Just read this article
MongoDB is a non relational database written in C + + language. It is an open source database system based on distributed file storage. Its content storage form is similar to JSON object. Its field value can contain other documents, arrays and document arrays, which is very flexible. In this seUTF-8...
Posted by kashmirekat on Fri, 10 Dec 2021 23:22:43 +1030
Explain implementation plan of MongoDb learning
There is a huge gap between mongodb 3.0 and the explain implementation plan of previous versions. Here we only learn to introduce the usage after 3.0You can view the execution plans of the following operationsBasic usagedb.collection.find().explain(verbose)verbose is the output mode of explain UTF-8...
Posted by no_one on Tue, 14 Dec 2021 01:37:15 +1030
Basic operation of mongoDB
1. What is MongoDB mongoDB MongoDB is a database based on distributed file storage. Written in C + +. Under high load, adding more nodes can ensure server performance. MongoDB aims to provide scalable high-performance data storage solutions for Web applications. MongoDB is a product between reUTF-8...
Posted by gauss on Sun, 19 Dec 2021 08:09:13 +1030