Manejando datos

Business Intelligence Platform: Tutorial Using MongoDB Aggregation Pipeline

Posted by in MongoDB

This article is originally written in toptal, and you can learn about MongoDB, a NoSQL database that I already wrote about it long ago. Using data to answer interesting questions is what researchers are busy doing in today’s data driven world. Given huge volumes of data, the challenge of processing and analyzing it is a big one; particularly for statisticians or data analysts who do not have the time to invest in learning business intelligence platforms or technologies provided by Hadoop eco-system, Spark, or NoSQL databases that would help them…read more

Start and stop script for MongoDB servers

Posted by in MongoDB

For the good or for the bad, you can learn to work with MongoDB on your own PC or laptop without installing anything, just by having located the path where MongoDB server is, a config file and a path where data is stored. On previous post I have explained about how to config a MongoDB server, how to start up a server, … I think it’s good to create a small  .bat script to speed up everything, and reducing the possibility of generating errors. So, just go to a text…read more

uMongo, a MongoDB admin GUI

Posted by in MongoDB

I am pretty sure that, although working with the console is quite important, you can ask if there is graphical tools that can help you. And the answer is yes. Today I will introduce you to UMongo, a nice MongoDB admin GUI written by a developer from 10gen, the company behind MongoDB. I like it a lot to work with, specially if you’re a MongoDB admin. Here is the look of the main window: There is a  Connect Dialog to connect to the database, just by accesing File / Connection…read more

Second reflexion about MongoDB

Posted by in MongoDB

In the previous post I started to write about how to work with MongoDB databases using the console, practicing basic operations. Everything seems logic I have the sensaition that, except for the sintasix, everything seems logic. Nothing is new to me, because I work everyday with MySQL-MariaDB, and adapting to the new sintasix is not too complicated.. Sin embargo, it will start to think about me empiezan a surgir varias dudas: How to work with several collections? Are these databases as faster as they presume when dealing with millinos of…read more

Queries with MongoDB

Posted by in MongoDB

In our previous post, I already wrote about MongoDB, a NoSQL database server that today is growing really fast. Here you have seen how to install it and how to start it. Now, let’s see how to work with MongoDB. On a MS-DOS console, execute mongo: If you want to know the databases you have on the server, just write show dbs. The MongoDb console is also a JavaScript console, and because of this, you should be careful with the names you use becasue of lower and upper case. If…read more