Data warehouse (DW) Interview Questions and Answers

A Data warehouse (DW) is a not part of DBMS, it stores large amount of data which is typically collected from multiple heterogeneous sources like files, DBMS, etc. It is a vital component of business intelligence that employs analytical techniques on business data.

Most organizations depend on this data for analytics or reporting purposes, the data needs to be consistently formatted and easily accessible – two qualities that define data warehousing and makes it essential to today’s businesses. Data warehouses are used for online analytical processing (OLAP), which uses complex queries to analyze rather than process transactions.

data warehouse interviewgig

Scroll to Top