Error Handling Mechanism Informatica
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on LinkedIn Data quality is very critical to the success of every data warehouse projects. So ETL Architects and Data Architects spent a lot of time defining the error handling approach. Informatica PowerCenter is
Error Handling In Informatica Strategy
given with a set of options to take care of the error handling in informatica error handling design your ETL Jobs.In this article, lets see how do we leverage the PowerCenter options to handle your exceptions. Error Classification You have to informatica error handling best practices deal with different type of errors in the ETL Job. When you run a session, the PowerCenter Integration Service can encounter fatal or non-fatalerrors. Typical error handling includes: User Defined Exceptions: Data issues critical to the
Error Handling Techniques In Informatica
data quality, which might get loaded to the database unlessexplicitlychecked for quality. For example, a credit card transaction with a future transaction data can get loaded into the database unless the transaction date of every record is checked. Non-Fatal Exceptions: Error which would get ignored by Informatica PowerCenter and cause the records dropout from target table otherwise handled in the ETL logic. For example, a data conversion transformation error out and fail the record
Error Handling In Informatica With Example
from loading to the target table. Fatal Exceptions: Errors such as database connection errors, which forcesInformatica PowerCenter to stop running the workflow. I. User Defined Exceptions Business users define the user defined user defined exception, which is critical to the data quality. We can setup the user defined error handling using; Error Handling Functions. User Defined Error Tables. 1. Error Handling Functions We can use two functions provided by Informatica PowerCenter to define our user defined error capture logic. ERROR() : This function Causes the PowerCenter Integration Service to skip a row and issue an error message, which you define. The error message displays in the session log or written to the error log tables based on the error logging type configuration in the session. You can use ERROR in Expression transformations to validate data. Generally, you use ERROR within an IIF or DECODE function to set rules for skipping rows. Eg : IIF(TRANS_DATA > SYSDATE,ERROR('Invalid Transaction Date')) Above expression raises an error and drops any record whose transaction data is greater than the current date from the ETL process and the target table. ABORT() : Stops the session, and issues a specified error message to the session log file or written to the error log tables based on the error logging type configuration in the session. When th
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Pm Error Tables In Informatica
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