What are the methodologies of data warehousing?
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How many repositories can we create in Informatica?
What is the difference between narmal load and bulk load?
Explain what are the different methods of loading dimension tables?
How many clustered indexes can you create for a table in dwh? In case of truncate and delete command what happens to table, which has unique id.
What are situations where snowflake schema is better than star schema when the opposite is true?
What is edw?
What is IQD file?
Explain what are the various transformation available?
What is called data cleaning?
What is the purpose of cluster analysis in data warehousing?
what is the diffrence between psa and idoc
What is a general purpose scheduling tool?