Open Data at Barcelona Web Congress

At the Web Congress in Barcelona, ​​I attended a workshop on Open Data in wich Martín Alvarez Espinar, W3C Spanish Office's head, and Jordi Graells i Costa, coordinator of content and innovation of the Generalitat de Catalunya, explained what is the international initiative Open Data, and how it is developed in concrete projects in some communities of Spain, as Asturias and Catalonia.

How to Twitter from a procedure in Oracle PL / SQL

API Calling Twitter from stored procedures PL / SQL can send status updates to a Twitter account. Apart from the funny thing it may be, can be a very effective method to warn us or our users of any event occurring in the database.

Twitter can easily convert an additional warning system for when we have problems in our Oracle database, or you simply want to learn or inform others automatically upon completion of certain processes, such as Enterprise Data Warehouse charges .

Twitteando desde un procedure de Oracle PL/SQL

Remember that Twitter accounts can be configured to be open to any user, or can be secured so that only users to access Twitter to be granted permission to 'follow'.

You can find the code and a detailed explanation on how to create a package for Twittering from PL / SQL in the Database Geek Blog , and updated source code in ORA_Tweet project has created the same Lewis Cunningham on Sourceforge.

Four questions to identify a developer with no knowledge of database

I leave here this link to a page where a small test posed to do in job interviews for database developers. Here this kind of test I do not think the style is much in a job interview, but more than one entry into the development department should evaluate its knowledge with a similar test. More than anything to avoid cracks, maximum connections, table layouts if primary keys, etc...

 

Installation of SQL Server Management Studio Express 2008

Installation of SQL Server Management Studio Express 2008I just finished an installation of SQL Server 2008 Express and SQL Server 2008 Management Studio Express, and I had a few laps for a couple of points of the system that are not too intuitive. With this entry I hope to facilitate the job who is in the same situation later.
To begin with I thought that Management Studio already installed with the BD, and it does not. First you install the SQL Server engine, and then downloaded another package to install SQL Server Management Studio.
Installing SQL Server Express will not comment because I came up no problem worthy of note, and is well explained in many other places. I connect the Microsoft download page where the installation packages of SQL Server 2008 Express.

 

After installing the BD, download the installation package of SQL Server 2008 Management Studio Express, also available at the Microsoft website...

 

Mysql: Daily Checklist

Th

en leave a small post on how to mount an automatic notification via mail that tells us what is the status of our database. For example we can manage it a bit before starting our work day and before we leave or while on vacation (jaja. ..). This example is about a MySQL 5.x running on Debian. Steps as follows...

 

 

 

MySql: Slow queries, queries to optimize control

In MySQL there is a parameter that enables logging of queries that take more than x seconds to execute calls Slow Queries. Basically what it does is put them in a log file and then check with mysqldumpslow. This mechanism may be useful to improve the overall performance of the database if we reduce the value of a progressive manner to the execution times of "leave" before declaring a query such as "slow" or slow query...