how does the server recongnise the source and target
databases.Elaborate on this
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what is the indicator file and where it is used?
when u connect the repository for the first time it asks you for user name & password of repository and database both.But subsequent times it asks only repository password. why?
What is ROWID explain ?
Compare etl & elt?
you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.
how to load the data to fact table?
1. if lookup tr is giving poor performamence. what u do. 2. i have emp,dept table. i want output ename,empno,dname,max(sal). 3. can any one tell me project flow in real time scenario. please send me mail any queries and answers my mail id is yaparala@gmail.com
Explain about round-robi?
how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)
Define slowly changing dimensions (SCD)?
Is hadoop a etl tool?
How etl testing is different from database testing?