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50 changes: 24 additions & 26 deletions source/core/introduction.txt
Original file line number Diff line number Diff line change
@@ -1,37 +1,35 @@
=======================
Introduction to MongoDB
=======================
=====================
Introdução ao MongoDB
=====================

.. default-domain:: mongodb

Welcome to MongoDB. This document provides a brief introduction to MongoDB
and some key concepts. See the :doc:`installation guides </installation>` for
information on downloading and installing MongoDB.
Bem-vindo ao MongoDB. Este documento é uma pequena introdução ao MongoDB
e alguns conceitos chave. Acesse :doc:`installation guides </installation>` para
mais informações sobre download e instalação do MongoDB.

.. This document provides a brief introduction to MongoDB and some key
concepts and walks you through the process of installing and using
MongoDB.
.. Este documento é uma pequena introdução ao MongoDB
e alguns conceitos chave, também guiará você pelo processo de instalação e uso do MongoDB.

What is MongoDB
O que é MongoDB
---------------

MongoDB is an open-source document database that provides high
performance, high availability, and automatic scaling.
MongoDB é uma base de dados de documentos que proporciona alta performance,
alta disponibilidade e escalonamento automático.

Document Database
~~~~~~~~~~~~~~~~~
Base de Dados de Documentos
~~~~~~~~~~~~~~~~~~~~~~~~~~~

A record in MongoDB is a document, which is a data structure composed
of field and value pairs. MongoDB documents are similar to JSON
objects. The values of fields may include other documents, arrays,
and arrays of documents.
Um registro no MongoDB é um documento, este possui uma estrutura baseada em
chave e valor. MongoDB é similar a objetos JSON. Os valores dos campos podem
conter outros objetos, arrays, e array de documentos.

.. include:: /images/crud-annotated-document.rst

The advantages of using documents are:
As vantagens de usar documentos são:

- Documents (i.e. objects) correspond to native data types in
many programming language.
- Documentos (i.e. objects) correspondem aos tipos de dados, comuns em muitas
linguagens de programação.

- Embedded documents and arrays reduce need for expensive joins.

Expand All @@ -40,7 +38,7 @@ The advantages of using documents are:
Key Features
~~~~~~~~~~~~

High Performance
Alta Performance
````````````````

MongoDB provides high performance data persistence. In particular,
Expand All @@ -51,8 +49,8 @@ MongoDB provides high performance data persistence. In particular,
- Indexes support faster queries and can include keys from embedded
documents and arrays.

High Availability
`````````````````
Alta Disponibilidade
````````````````````

To provide high availability, MongoDB's replication facility, called
replica sets, provide:
Expand All @@ -65,8 +63,8 @@ A :doc:`replica set </core/replication-introduction>` is a group of
MongoDB servers that maintain the same data set, providing redundancy
and increasing data availability.

Automatic Scaling
`````````````````
Escalonamento Automático
````````````````````````

MongoDB provides horizontal scalability as part of its *core*
functionality.
Expand Down