Mongodb Create Database - MongoDB Tutorial

MongoDB is a document-oriented DBMS, with JSON-like objects comprising the data model like field and value pairs, rather than RDBMS tables.
Documents are analogous to structures in programming languages that associate keys with values (e.g. dictionaries, hashes, maps, and associative arrays).
Formally, MongoDB documents are BSON documents.
BSON is a binary representation of JSON with additional type information.
In the documents, the value of a field can be any of the BSON data types, like

Documents
Arrays, and arrays of documents.

Features of mongoDB :

MongoDB does not support joins nor transactions.
The secondary indexes, an expressive query language, atomic writes on a per-document level, and fully-consistent reads.
MongoDB uses BSON, a binary object format similar to, but more expressive than JSON.

Syntax (Show database) :

Db    --used for display the database

Default database in mongoDB is “test”. If you want to create a new database use the “use” operation.

Syntax (create database) :

Use <database>

In this syntax the <database> is replaced by the name of the data base.

Syntax (Show database) :

show dbs

It is used to Print the list of all databases on the server.

Syntax (Insert database) :

db.database.insert()

In MongoDB, using Insert query we can add/insert new document into the database.

Sample Query

use  wikitechy    --create database
db                --display the created database
show dbs          --display the database
db.wikitechy.insert({"websitename":"www.wikitechy.com"})  --insert datas
show dbs          --display the database

Output

Here in this statement initially we set the path of the data storage.
Here we create a new database “wikitechy”.
In this statement we display the created database.
Here in this statement we insert a data “websitename” : “www.wikitechy.com” to the database using insert query.
In this statement we display the database.

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Mongodb Create Database - MongoDB Tutorial