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list the transformation used for the following:Heterogeneous
sources,Homogeneous sources,Find the 5 highest paid
employees with in a dept,create a summery table,generate
surrogate keys
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Answer / nagesh
For Heterogeneous sources,use joiner transformation
Homogeneous sources go for source qualifier transformation
TOP 5 SAL
SELECT ROWNUM,ENAME,SAL FROM (SELECT ENAME,SAL FROM EMP
ORDER BY SAL DESC)
Where rownum <6
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / dw_worker
Heterogeneous sources - Joiner
Homogeneous sources - Source Qualifier
Find the 5 highest paid employees with in a dept - Rank
Create a summary table - Aggregator
Generate surrogate keys - Sequence Generator
| Is This Answer Correct ? | 3 Yes | 0 No |
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list the transformation used for the following:Heterogeneous sources,Homogeneous sources,Find the 5 highest paid employees with in a dept,create a summery table,generate surrogate keys
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
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