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what is the difference steps for data modeling?
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how do use session mapping parameters ?(in which transformation)
what is the difference between normal & bulk loading? and which one is recommended ? why?
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
What is the difference between project backlog and product backlog?
what are the concerns of OLTP and DSS systems?
What is tracing level and what are the types?
What is Data Vault???
can u anyone plz share some etl testing interview question . and share the sql queries and unix . plz help me to clear in the etl testing interview by sharing ur knowledge
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.
What are materialized views & where do we use them?
what is a worklet?
what are the concerns of OLTP and DSS systems?
Teradata 
