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how can i text accracy of ETL migration? i am very new to data warehousing. we are writing ETL scripts using SCRIPELLA tool. how can i test the correctness of data. and we are generating reports using pentaho . is there any easy way to test the pentaho. how can test these ETL scripts written in scriptella? thanks in advance
What is a mapping, session, worklet, workflow, mapplet?
Explain etl?
What is etl process?
what are the concerns of OLTP and DSS systems?
Identifying the bottlenecks in various components of Informatica and resolving them.
how do u set partition points in the mapping?
what is pmrep command?
what is session partitioning?
where is the cache (lookup, index) created and how can you see it.
what are the cubes developed in a sap bw project and what is the requirement for developing it?
what is the difference between cardinality and Nullability?
What are the three tiers in etl?
please tell me any easy ways of testing the Data warehouse project. In my project we are not using any tools for ETL. we are writing scripts in SCRIPTELLA. And we using Pentaho tool for Reporting How can i test all these. please tell me ASAP. thanks in adavance
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
