MongoDB

MongoDB findOne Example — step-by-step Databases tutorial on Progressive Robot

MongoDB findOne Example

URL: https://www.progressiverobot.com/mongodb-findone-example/ MongoDB findOne() method returns only one document that satisfies the [criteria](/community/tutorials/hibernate-criteria-example-tutorial) entered. If the criteria entered matches for more than one document, the method returns only one document according to natural ordering, which reflects the order in which the documents are stored in the database. MongoDB findOne ![MongoDB findOne](images/mongodb-findone-example-section-1.png) MongoDB findOne() syntax is: […]

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How To Sync Transformed Data from MongoDB to Elasticsearch with Transporter on Ubuntu 14.04 — step-by-step Linux tutorial on Progressive Robot

How To Sync Transformed Data from MongoDB to Elasticsearch with Transporter on Ubuntu 14.04

Many times, you might need to migrate data from MongoDB to Elasticsearch in bulk. Writing your own program for this task can be tedious. There is a wonderful open source utility called Transporter, developed by [Compose](https://www.compose.io/) (a cloud platform for databases), that takes care of this task very efficiently. This tutorial shows you how to use the open-source utility Transporter to copy data from MongoDB to Elasticsearch with custom transformations.

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Como instalar o MongoDB a partir dos repositórios APT padrão no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como instalar o MongoDB a partir dos repositórios APT padrão no Ubuntu 20.04

O MongoDB é um banco de dados de documento NoSQL de código aberto e gratuito usado habitualmente em aplicativos Web modernos. Ao seguir este tutorial, você instalará o MongoDB em um servidor Ubuntu 20.04 usando os repositórios APT padrão. Você também aprenderá como gerenciar seus serviço e habilitar, de maneira opcional, o acesso remoto.

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