Explain what are the various methods of getting incremental records or delta records from the source systems?
914Post New Data Warehouse General Questions
What are the advantages of cold fusion?
Suppose we have some 10,000 odd records in source system and when load them into target.how do we ensure that all 10,000 records that are loaded to target doesnt contain any garbage values?
Can you brief about the Data warehouse project you worked on?
How to improve session performance in aggregator transformation?
What is the difference between er modeling and dimensional modeling?
Is framework manager an un-needed overhead? As we know report studio allows us to create the data model from a query and thereby skipping framework manager. Given that this feature is available, in what scenarios would one want to skip framework manager?
Is there any difference in testing database and data ware housing?
Explain me what are conformed dimensions?
What is a full backup?
Which technology should be used for interactive data querying across multiple dimensions for a decision making for a dw?
What is a functional dependency f said to be minimal?
Explain why are oltp database designs not generally a good idea for a data warehouse?
How to pivot data using informatica when you have variable amount of pivot rows?
What is the difference between metadata and data dictionary?
Compare and contrast aggregates & indexes