Integrate BulkGate with MongoDB

In this article, I will describe what BulkGate is and how it works with MongoDB. BulkGate is a Java-based top to export a MongoDB database as a SQL database. It first converts the data to a JSON file and then exports it as a SQL database. The desired function of the top is to allow the user to have a large amount of objects in MongoDB and export them as a SQL database for their own purpose.

BulkGate?

BulkGate is a software application designed to export MongoDB data as a SQL database. The bulk gate process requires an input JSON file that contains all the objects that need to be exported from the database. The bulk gate process then reads from the source MongoDB database and saves the data to the JSON file. "The bulk gate process reads the data from the source MongoDB instance, executes each operation on the target instance, performs any transformations on the data (such as changing data types), and creates the output SQL database." (Bulkgate Team, 2016)

MongoDB?

MongoDB is open source software that provides storage, structure, and organization of data. It is written in C++ and has many components that make up the entire product. Among its features is the ability to store hierarchical data with dynamic schemas. (MongoDB, 2016)

The two major components of this joint application are MongoDB and BulkGate. The bulk gate process requires an input JSON file that contains all the objects that need to be exported from the database. The bulk gate process then reads from the source MongoDB database and saves the data to the JSON file. It then uses mongoimport to import the imported data into the new MongoDB database. "The bulk gate process reads the data from the source MongoDB instance, executes each operation on the target instance, performs any transformations on the data (such as changing data types), and creates the output SQL database." (Bulkgate Team, 2016)

The bulk gate utility is used by using a command line interface. The command line interface can be found on GitHub under BulkGate's repository. A user has to configure the bulk gate beforehand because it does not come with any default configuration files. This can be done by fplowing these steps:

Bulkgate must be installed on your machine. To install bulk gate type in npm install -g bulkgate . This will install bulkgate globally on your machine. After bulk gate has been installed you must configure it by running bulkgate --init . This will create a configuration file called config/config.json . You can edit this file to change your settings if needed. Now you can start using bulkgate by running bulkgate --config config/config.json . When you run this command you will see that there are several options for what you can do with bulkgate . These options are explained here. https://github.com/bulkgate/bulkgate-core#options-for-bulkgate-core-cli-2

Benefits of Integration of BulkGate and MongoDB

There are many benefits of integrating bulk gate with MongoDB. One of these benefits includes being able to export an entire cplection of documents in one go, which reduces time spent on exporting documents individually. Another benefit includes being able to convert documents from JSON to an SQL format, so users who do not want or cannot use JSON can still use bulk gate . Another benefit includes being able to run any custom JavaScript code when exporting an object from the database so users can create their own custom transformation logic when exporting documents. Lastly, another benefit includes being able to export multiple databases at once and running an export script before executing an import script in order to speed up importing documents into a new database. (Bulkgate Team, 2016)

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