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Explain etl mapping sheets?
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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 and compare etl & manual development?
what are the different Reporting and ETL tools available in the market?
what is the difference between OLTP database and data warehousing database?
where is the cache (lookup, index) created and how can you see it.
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.
Which type or t/s is used to convert rows into column & column into rows
What are the ETL Testing Operations?
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?
Explain etl mapping sheets?
what are the production issues in datastage?
How to fine tune mappings?
Teradata 
