Data Warehouse Developer Question:

Download Job Interview Questions and Answers PDF

Tell us what is snapshot with reference to data warehouse?

Data Warehouse Developer Interview Question
Data Warehouse Developer Interview Question

Answer:

☛ Snapshot refers to a complete visualization of data at the time of extraction. It occupies less space and can be used to back up and restore data quickly.
☛ A snapshot is a process of knowing about the activities performed. It is stored in a report format from a specific catalog. The report is generated soon after the catalog is disconnected.

Download Data Warehouse Developer Interview Questions And Answers PDF

Previous QuestionNext Question
Explain me what is the purpose of cluster analysis in Data Warehousing?Explain me what is junk dimension?