Welcome to KLH Peer Mentors World Let's Study:- CO1: What is a Data Warehouse? A Data Warehouse (DW) is a relational database that is designed for query and analysis rather than transaction processing. It includes historical data derived from transaction data from single and multiple sources. A Data Warehouse provides integrated, enterprise-wide, historical data and focuses on providing support for decision-makers for data modeling and analysis. Let's understand through this vedio 👇👇👇👇👇 Data Warehouse Architecture A data warehouse architecture is a method of defining the overall architecture of data communication processing and presentation that exist for end-clients computing within the enterprise. Each data warehouse is different, but all are characterized by standard vital components. Production applications such as payroll accounts payable product purchasing and inventory control are designed for online transaction processing (OLTP) . Such applications gather detai...