Explain what are the steps to build the data warehouse?
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Explain difference between snow flake and star schema. What are situations where snow flake schema is better than star schema to use and when the opposite is true?
Explain what are non-additive facts in detail?
What is difference between query studio and report studio?
What is vldb(very large databases)?
What is the main difference between star and snowflake star schema? Which one is better and why?
Explain what is data validation strategies for data mart validation after loading process?
What is the difference between metadata and data dictionary?
What is a Data Warehouse?
Explain a mapping, session, worklet, workflow, mapplet?
What is cfapplication tag?
Theare is a Database In analysis services,How we will specify the fact table.(i.e whether we will create the measure objects for the fact tbl.) or it will reside insde the database.
How to join 3 database like flat file, oracle, db2 in informatrica?