Ques:
To standardize the data field in SAP BW HANA when the data is coming from multiple sources and is showing different formats, then performing data transformation steps will definitely ensure consistency in the data format.
Ans:
Here are some of the approaches we can follow:
– Create custom logic in the transformation rules to standardize the data during the DTP process. Custom routines can help handle different date formats.
We can either write our own ABAP logic or use a function like CONVERT_DATE to detect the format and convert the value accordingly.
– We can use SAP HANA SQL functions for the Date Conversion or HANA-based calculation views to convert the data into a standard format.
– Using the concept of DTP with field-level transformations to manipulate the data while it is loaded from source to target.
– We can also handle the date format in the source system before the data is extracted to the SAP BW. This ETL process will help you to ensure all the date fields are in a consistent format.
– We can also use BW/4HANA smart transformations using BADI or AMDP concept to standardize the date format.
We need to make sure the logic should work across all the source systems and the performance should not be impacted especially if a large volume of data will be there. These are a few of the approaches through which we can standardize the date formats coming from multiple sources and create a unified unique date format for all the reporting and analysis.
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