how to find unique records in informatica level
How can Oracle Materialized Views be used to speed up data warehouse queries?
Explain difference between e-r modeling and dimentional modeling?
What is ods (operation data source)?
What are the main steps to build the data warehouse?
What is the difference between agglomerative and divisive hierarchical clustering?
What are aggregate fact tables ? why they are needed? give an example
What is a look up function? What is default transformation for the look up function?
wat is code review and wat actually srs or how can we create HLD,LLD.PLS,GIVE ME ANSWER AS EARLY AS FAST.
Explain what are the methodologies of data warehousing?
Explain the difference between dw and bi?
What is ETL process in Data warehousing?
Data WareHousing course in noida