Optimize Maxmind database loaded on Redshift using Analytical functions

If you need to associate an IP address to a country or a city probably you will use MaxMind data. If you load it in a relational database you will write a SQL statement that joins your traffic data with MaxMind data, which can be really heavy. This is an attempt to optimize queries by reducing the number of MaxMind data rows.

Oct 04 2017 Redshift tips

I am using Redshift since two years ago, and as every database it has its SQL dialect and its secrets. I will write here everything I discover and it is worth to be annotated.

Sep 28 2017 Getting started with PostGIS

PostGIS is a PostgreSQL extension that adds support for geographic objects allowing location queries to be run in SQL.

Sep 18 2017 AWS Redshift compatible PostgreSQL client

How to install a PostgreSQL client (psql) that is compatible with AWS Redshift

May 12 2016 S3 to RedShift loader

Load data from S3 to RedShift using Lambda, powered by apex. Our goal is: every time the AWS Elastic load balancer writes a log file, load it into RedShift.

Apr 04 2016 Use nzpassword!

How to authenticate securely on Netezza.

Oct 03 2013 sqlplus tips

Tricks and tips about your everyday Oracle sqlplus usage.

Oct 03 2013 How to install DBD::Oracle

I am going to put here all the steps required to install DBD::Oracle CPAN module, which is not a straightforward installation. The purpose is to reduce headache and turn it into a repeatable process.

Jul 02 2013