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You are here: Home1 / Blog2 / Carlo Ascani
Carlo Ascani

About Carlo Ascani

Carlo Ascani is a PostgreSQL enthusiast and contributes regularly to 2ndQuadrant blog.

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Greenplum CE 4.2 XML support

July 23, 2012 /0 Comments/in Greenplum /by Carlo Ascani

In this article we will see one of the most interesting features added in Greenplum 4.2: XML datatype support.

External web tables in Greenplum

April 10, 2012 /0 Comments/in Greenplum /by Carlo Ascani

**External web tables** are one of the most useful features when you you have to load data into a Greenplum database from different sources.

Setting JDBC with Greenplum

January 19, 2012 /1 Comment/in Greenplum /by Carlo Ascani

JDBC is the driver used to access a database with Java. Greenplum has a full working JDBC implementation. In this short article we’ll see how to use it.

Greenplum 4.2 is out!

January 2, 2012 /0 Comments/in Greenplum /by Carlo Ascani

With an announce on the forum, Greenplum staff has spoke out about the new version of their Database Management System. I can’t resist to blog about some of its new features.

How to initialize Greenplum on multiple nodes

December 16, 2011 /0 Comments/in Greenplum /by Carlo Ascani

In the [previous article](https://www.2ndquadrant.com/en/2011/12/a-greenplum-41-handbook.html) we have seen how to install Greenplum on multiple nodes. After installation steps, we must init the entire system. Let’s see how.

A Greenplum 4.1 installation handbook

December 5, 2011 /0 Comments/in Greenplum /by Carlo Ascani

One of the main advantages using Greenplum is that it gains power when it uses multiple nodes. Horizontal scalability is a main feature of Greenplum. Here is a compact handbook to install a multi-node Data Warehouse environment with Greenplum.

Using Greenplum 4.1 in Ubuntu 11.10

November 28, 2011 /0 Comments/in Greenplum /by Carlo Ascani

Greenplum does not officially support Ubuntu Server 11.10 as underlying operating system. However, I needed to install it on the most recent Ubuntu server just to perform some tests and evaluate it.

Mapreduce in Greenplum 4.1 – 2nd part

November 17, 2011 /0 Comments/in Greenplum /by Carlo Ascani

Through this article, we are going to complete the MapReduce job started in the [previous article](https://www.2ndquadrant.com/en/2011/10/mapreduce-in-greenplum.html).

Mapreduce in Greenplum 4.1

October 31, 2011 /0 Comments/in Greenplum /by Carlo Ascani

Mapreduce is a very trendy software framework. It has been introduced by Google (TM) in 2004. It is a large topic, and it is not possible to cover all of its aspetcs in a single blog article. This is a simple introduction to the _mapreduce_ usage in Greenplum 4.1.

Using gpmigrator in Greenplum 4.1.1

October 17, 2011 /0 Comments/in Greenplum /by Carlo Ascani

In this article, I am going to upgrade a Greenplum cluster from version 4.0 to 4.1 using `gpmigrator`. `gpmigrator` is an utility shipped with Greenplum Community Edition whose purpose is to perform a live upgrade of an existing database.

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