INTERVIEW QUESTIONS DATA WAREHOUSING INFORMATICA DETAILS

Question: What are the methods for creating reusable transforamtions?

Answer: Two methods:-
1.Design it in the transformation developer.
2.Promote a standard transformation from the mapping designer.After you add a transformation to the mapping , You can promote it to the status of reusable transformation.
Once you promote a standard transformation to reusable status,You can demote it to a standard transformation at any time.
If you change the properties of a reusable transformation in mapping,You can revert it to the original reusable transformation properties by clicking the revert button.

Two methods:-
1.Design it in the transformation developer.
2.Promote a standard transformation from the mapping designer.After you add a transformation to the mapping , You can promote it to the status of reusable transformation.
Once you promote a standard transformation to reusable status,You can demote it to a standard transformation at any time.
If you change the properties of a reusable transformation in mapping,You can revert it to the original reusable transformation properties by clicking the revert button. Source: CoolInterview.com

In 2 ways
1. Using transformation developer tool.
2.Converting a non reusable transformation into a reusable transformation in mapping.
Restriction : It does not support Source Qualifier Transformation as Reusable Transformation Source: CoolInterview.com

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