You might have come across scenario where in you do not have enough good data in your Development and QA regions for your testing purpose; and you are not allowed to copy over data from production environment due to the data security reasons. Now using Informatica PowerCenter data masking transformation you can overcome such scenarios. In this article, lets see the usage of masking transformation.
Johnson Cyriac Jan 29, 2014
In a typical Informatica PowerCenter workflow data is committed to the target table after a predefined number of rows are processed into target, which is specified in the session properties. But there are scenarios in which you need more control on the commits and rollbacks. In this article, lets see how we can achieve this using Transaction Control Transformation.
Johnson Cyriac Jan 20, 2014
A high-level systematic ETL design will help to build efficient and flexible ETL processes. So special care should be given in the design phase of your project. In following we will be covering the key points one should keep in mind while designing an ETL process. The following recommendations can be integrated into your ETL design and development processes to simplify the effort and improve the overall quality of the finished product.
In the typical case for a data warehouse, dimensions are processed first and the facts are loaded later, with the assumption that all required dimension data is already in place. This may not be true in all cases because of nature of your business process or the source application behavior. Fact data also, can be sent from the source application to the warehouse way later than the actual fact data is created. In this article lets discusses several options for handling late arriving dimension and Facts.
In our couple of prior articles we spoke about change data capture, different techniques to capture change data and a change data capture frame work as well. In this article we will deep dive into different aspects for change data in Data Warehouse including soft and hard deletions in source systems.