Extracting Information from the Source File Name can Never be Easier

Extracting Information from the Source File Name can Never be Easier

Many times we get data files from different sources and the source file name itself might contain some valid information like 'file creation date', 'file generated department name', 'region name' etc... We used to use Unix script to extract such information from the file name, but we don't have to write such scripts anymore. In this article let's look at the option provided by Informatica PowerCenter to extract information from the source file name.

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Use CHECKSUM Number to Make the LookUp Transformation Simple

Use CHECKSUM Number to Make the LookUp Transformation Simple

Lookup is one of the frequently used transformations in Informatica PowerCenter. This transformation is considered to be relatively simple, but at times this can become complex because of the amount of data to be cached, number of columns used in the lookup condition, checks on columns fetched from lookup table etc... In this article lets see how we can take care of couple of these issues using CHECKSUM number.

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Understand Informatica PowerCenter Target Designer

Understand Informatica PowerCenter Target Designer

We spoke about the Source Analyzer in one of our previous posts.  After we create source definition using Source Analyzer, target schema should be created. This can be designed in the Target Designer tool in PowerCenter. The Target Designer provides a user interface for creating and customizing the logical target schema. Target definitions can be customized as needed and when the customization is complete, we can create the physical targets in the database from SQL scripts executed from the Target Designer.

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SCD Type 2 Implementation using Informatica PowerCenter

SCD Type 2 Implementation using Informatica PowerCenter

Slowly Changing Dimension Type 2 also known SCD Type 2 is one of the most commonly used type of Dimension table in a Data Warehouse.  SCD Type 2 dimension loads are considered to be complex mainly because of the data volume we process and because of the number of transformation we are using in the mapping. Here in this article, we will be building an Informatica PowerCenter mapping to load SCD Type 2 Dimension.

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Understand Informatica PowerCenter Source Analyzer

Understand Informatica PowerCenter Source Analyzer

In one of our previous article, we got to know the different client components of Informatica PowerCenter.  Source Analyzer - The first tool in PowerCenter Designer,  is used to identify the sources that will be used to build the data mart or warehouse and create definitions for those sources. Source definitions describe the sources that are going to be providing data to the warehouse. There are different ways to create source definitions.

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