![]() |
| Home | Tech FAQ | Interview Questions | Placement Papers | Tech Articles | Learn | Freelance Projects | Online Testing | Geeks Talk | Job Postings | Knowledge Base | Site Search | Add/Ask Question |
![]() Related Questions Can identify existing rows of data using unconnected lookup transformation. Latest Answer : 2 ways:1) Using an unconnected lookup and calling the same from an expression. based on the output, the particular set of rows can be filtered out and not be a part of target load data, by putting a filter right after the expression.2) using a connected ... Aggregator transformation allows you to perform aggregate calculations, such as averages and sums. Latest Answer : Aggregate Transformation is used to aggregate the data Colum wise..The only difference between the Aggregate and Expression transformation is that Aggregate transformation sorts the data Row wise where as Expression transformation sorts the data Column ... Router transformation allows you to use a condition to test data. It is similar to filter transformation. It allows the testing to be done on one or more conditions. Latest Answer : Router Transformation is same as that of Filter Transformation.The only difference is that we can specify only one condion for filter but for Router we can specify many condition and one more thing the data which are not satisfying the filter conditions ... Comment posted by: Deb on 2005-06-08 00:56:53Ans: While running a Workflow,the PowerCenter Server uses the Load Manager process and the Data Transformation Manager Process (DTM) to run the workflow and Latest Answer : I am providing the answer which I have taken it from Informatica 7.1.1 manual, Ans: While running a Workflow,the PowerCenter Server uses the Load Manager process and the Data Transformation Manager Process (DTM) to run the workflow and carry ... After the load manager performs validations for the session, it creates the DTM process. The DTM process is the second process associated with the session run. The primary purpose of the DTM process is Latest Answer : Load manager and DTM are the components of Informatica server. Load manager manages the load on the server by maintaining a queue of sessions and release the session based on first come and first serve. When the session is released from the load ... Lookup Transformations can access data from relational tables that are not sources in mapping. With Lookup transformation, we can accomplish the following tasks:Get a related value-Get the Employee Name Latest Answer : Look up tranformations are used toGet a related valueUpdating slowly changing dimensionCaluculating expressions ... Normalizer transformaiton which is used to normalize the data.Since cobol sources r oftenly consists of Denormailzed data. Latest Answer : Normalizer transformaiton which is used to normalize the datasirajdeen ... An active transforamtion can change the number of rows that pass through it.A passive transformation does not change the number of rows that pass through it. Latest Answer : Active Transformation : A Transformation which change the number of rows when data is flowing from source to targetPassive Transformation : A transformation which does not change the number of rows when the data is flowing from source to target ... Reusable transformations can be used in multiple mappings.When u need to incorporate this transformation into maping,U add an instance of it to maping.Later if U change the definition of the transformation Latest Answer : 1. A reusable transformation can be used in multiple transformations2.The designer stores each reusable transformation as metada separate from any mappings that use the transformation.3. Every reusable transformation falls within a category ... Two methods 1.Design it in the transformation developer. 2.Promote a standard transformation from the mapping designer.After U add a transformation to the mapping , U can promote it to the status of reusable Latest Answer : You can design using 2 methodsusing transformation developercreate normal one and promote it to reusable CheersSithu ...
Sponsored Links
| |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||