With Python in Hive
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In this small note, it is described how an HDFS file can be stored in a Hive context. In it stored in a Hive context, it can be accessed from…
Oracle ODI
The successor to OWB is the Oracle Data Integrator. This tool has more functionalities than OWB. Next to that, it has an interface that more or less steers the user…
Dataflow in Oracle Warehouse Builder
I know that Oracle Warehouse Builder (OWB) is at end of life. On the other hand, I encounter OWB quite often and it is interesting to see how it works.…
Docker container
Only this weekend I downloaded a Docker package from https://docs.docker.com/docker-for-windows. This package allows you to run very small light weight containers on your server than act as components to perform…
reading an HDFS file in Python
In this note, I show you how to get data from an HDFS platform into a Python programme. The idea is that we have data on HDFS and we would…
Putting a file on HDFS
Putting a file on HDFS is relatively easy. There are a few steps to take. Let us assume the file is on a linux system. The first step is to…
Estimating with Python
It is relatively easy to do an estimate with a Python script. This is due to the fact that Python works with matrices and such matrices can be used as…
Read and write by Python
Python seems to be a very convenient way to transfer data to and fro Oracle. It has capabilities to set up a connection and it seems quite capable to transfer…