SQL to NoSQL : Copy your data from MySQL to Couchbase

TL;DR: Look at the project on Github. Introduction During my last interactions with the Couchbase community, I had the question how can I easily import my data from my current database into Couchbase. And my answer was always the same: Take an ETL such as Talend to do it Just write a (more...)

Six months as Technical Evangelist at Couchbase

Already 6 months! Already 6 months that I have joined Couchbase as Technical Evangelist. This is a good opportunity to take some time to look back. So first of all what is a Developer/Technical Evangelist? Hmm it depends of each company/product, but let me tell you what it is for (more...)

Screencast : Fun with Couchbase, MapReduce and Twitter

I have created this simple screencast to show how you can, using Couchbase do some realtime analysis based on Twitter feed. The key steps of this demonstration are Inject Tweets using a simple program available on my Github Couchbase-Twitter-Injector Create views to index and query the Tweets by User name Tags (more...)

Introduction to Deep Information Sciences and DeepDB

I talked Friday with Deep Information Sciences, makers of DeepDB. Much like TokuDB — albeit with different technical strategies — DeepDB is a single-server DBMS in the form of a MySQL engine, whose technology is concentrated around writing indexes quickly. That said:

  • DeepDB’s indexes can help you with analytic queries; (more...)

NoSQL and Oracle, Sex and Marriage

At last week’s Dallas Oracle Users Group meeting, an Oracle DBA asked me, “With all the new database alternatives out there today, like all these open source NoSQL databases, would you recommend for us to learn some of those?”

I told him I had a theory about how (more...)

Thirty years on, 10gen emulates Oracle

It's now more than thirty years since I first came across the Oracle database. At that time, Oracle had only just got a distributor in the UK (a small part of CACI, with just three staff: Geoff Squire, Mike Evans and Chris Ellis - soon to be joined by Ian (more...)

Appliances, clusters and clouds

I believe:

  • The trend to clustered computing is sustainable.
  • The trend to appliances is also sustainable.
  • The “single” enterprise cluster is almost as much of a pipe dream as the single enterprise database.

I shall explain.

Arguments for hosting applications on some kind of cluster include:

The 3 ways Hadoop will change your Business Intelligence

“It’s the analytics stupid!” Obviously the offense is not intended at the dear reader. It’s a wake up call for all the people excited with Hadoop and lack BI vision. The BI people that lack infrastructure vision are also to blame. Blame for what? We’ll see later in this (more...)

InfoQ : Running the Largest Hadoop DFS Cluster

Since I joined a Big Data Event : Frankfurter Datenbanktage 2013 - I started to take also a look to non-relational technics too. The RDBMS is not for every asepct the correct and fitting and fulfilling answer to all data related IT challenges. 

Frequently I wondered about how facebook (more...)

Easy application development with Couchbase, Angular and Node

A friend of mine wants to build a simple system to capture ideas, and votes. Even if you can find many online services to do that, I think it is a good opportunity to show how easy it is to develop new application using a Couchbase and Node.js. So (more...)

How to get the latest document by date/time field?

I read this question on Twitter, let me answer the question in this short article. First of all you need to be sure your documents have an attribute that contains a date ;), something like : To get the "latest hired employee" you need to create a view, and emit (more...)

Introduction to Collated Views with Couchbase 2.0

Most of the applications have to deal with "master/detail" type of data: breweries and beer department and employees invoices and items  ... This is necessary for example to create application view like the following: With Couchbase, and many of the document oriented databases you have different ways to deal with this, (more...)

New Adventure…

Yesterday was my last day at eXo... I have been working at eXo since 2008, and we have achieved many exciting things such as building eXo Platform, the open source social platform, and the Cloud-IDE allowing developers to build, test, and deploy applications online. It was a great experience for (more...)

Building a chat application using Node.js and Couchbase

After some basic articles about Couchbase installation, Node.js integration. Let's now dive into a more complete  example: a chat application. The first version of the chat should be compliant with the following requirements: web based single room user just needs to enter a login and he can start to (more...)

Couchbase : Create a large dataset using Twitter and Java

An easy way to create large dataset when playing/demonstrating Couchbase -or any other NoSQL engine- is to inject Twitter feed into your database. For this small application I am using: Couchbase Server 2.0 Server Couchbase Java SDK (will be installed by Maven) Twitter4J (will be installed by Maven) Twitter (more...)

Everything you ever wanted to know about Big Data, but had no PDF to carry around!

Back in March 2012 I experienced an air milage overflow: almost straight from Madrid I’ve picked a flight to Israel to speak at a Big Data conference, only to be back in Lisbon and fly again to Johannesburg in South Africa to meet several customers in the retail and manufacturing area. Back to Lisbon I packed again to London [...]

Create a Simple Node.js and Couchbase application… on OS X

NOTE: The Couchbase Node.js Client Library is currently changing. I will update this article and source code once the API is stable. I am currently playing a little bit with Node.js . It is quite fun! In this article I won't go in a a very complex application but (more...)

Comic: How to write CV for NoSQL

Original Post can be viewed at Comic: How to write CV for NoSQL

This is pretty old comic from geek&Poke . Enjoy   Related PostsLife Is Changed Now!!!!!Oracle Direct connector for HDFSWishing all a hApPy DiWaLi10,000 Hits – First MilestoneChecking Database Feature Usage StatsZemanta

AskDba.org Weblog

Couchbase 101 : install, store and query data

Introduction In this post I just want to show how easily is to get started with Couchbase, and also explain how to “query” the data. The basic steps of this tutorial are: Install Couchbase  Create Data  Query Data  I will try to post more articles, if I have time to (more...)

EclipseLink 2.4:

EclipseLink 2.4.0 Juno - RELEASED

As part of the Juno Eclipse release train the EclipseLink project has released EclipseLink 2.4.0. The release landing page describes some of the new and noteworthy features as well as providing links to documentation and examples so you can get started. (more...)