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Nosql database-mongodb database!

Mongo DB is a very popular non-relational database (NoSql) in the IT industry, and its flexible data storage method is favored by current IT employees. Mongo DB well implements the object-oriented idea (OO idea). In Mongo DB, each record is a Document object. The biggest advantage of Mongo DB is that all data persistence operations do not need developers to write SQL statements manually, and you can easily implement CRUD operations by calling methods directly.

Windows installation

Here I'm talking about the command line installation method.

Get ready. Go to the official website to download the corresponding version of https://www.mongodb.org/

Pay attention to distinguish between 32-bit and 64-bit

1. Extract the downloaded mongodb-win32-i386-1.8.1.zip, create the path D:\ mongodb, and Copyto the extracted Bin file under this folder

two。 Pay attention to installation (please read it carefully)

-bind_ip binds the service IP. If it is bound to 127.0.0.1, it can only be accessed locally, and all local IP-logpath log files are not specified by default. Note that the specified file is not a directory-logappend writes the log using appended method-dbpath specifies the database path-port specifies the service port number, and the default port 27017-serviceName specifies the service name-serviceDisplayNam specifies the service name, which is executed when there are multiple mongodb services. -install is specified as a Windows service installation.

3. Install (run cmd to open the dos window to execute the following statement, but the red item should be modified according to your own path and configuration corresponding to the meaning of 3 installation) mongod-- bind_ip 127.0.0.1-- logpath "D:\ mongo\ data\ dbConf\ mongodb.log"-- logappend-- dbpath "D:\ mongo\ data\ db"-- port27017-serviceName "aiyouyang1"-- serviceDisplayName "aiyouyang2"-- install

4. Check whether the installation is successful

(1) execute mongod under the previous directory (D:\ mongodb\ bin)-- dbpath D:\ data\ db (2) Open http://localhost:27017/ on the browser and the following statement appears (3) It looks like you are trying to accessMongoDB over HTTP on the native driver port. (installed successfully)

Mac installation

download

Https://www.mongodb.com/download-center#community

Decompress and rename

Tar-zxvf mongodb-osx-ssl-x86_64-3.6.3.tgz

Mv mongodb-osx-ssl-x86_64-4.0.4 mongodb

Global environment configuration

Export PATH=/yourPath/mongodb/bin:$PATH

Create a new data storage directory and modify permissions

Sudo mkdir-p / data/db

Sudo chomd 777 / data/db

Start

Mongod

Summary

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