Basic elements of data warehousing
A data warehouse is a type of data management system that is designed to enable and support business intelligence (BI) activities, especially analytics.
Data warehouses are solely intended to perform queries and analysis and often contain large amounts of historical data..
Basic elements of data warehousing
A typical data warehouse has four main components: a central database, ETL (extract, transform, load) tools, metadata, and access tools..
Basic elements of data warehousing
There are three main data warehouse architecture types: single-tier, two-tier and three-tier data warehouses.
Every data warehouse has the same vital components within its architecture, namely: ETL tools, databases, metadata, bus & data marts and access tools..
What are the types of data warehouse geeksforgeeks?
A datawarehouse is defined as the collection of data integrated from multiple sources that will queries and decision making.
There are three types of datawarehouse: Enterprise datawarehouse, Data Mart and Virtual Warehouse..
What is DWDM geeks for geeks?
Dense Wavelength Division Multiplexing or DWDM is the method which allows multiple wavelengths to be brought to a single-mode fiber, consequently growing the potential of that particular transmission route by using a factor which is equal to the total number of wavelengths that one has added during transmission..
What is the concept of data warehousing?
A data warehouse is a type of data management system that is designed to enable and support business intelligence (BI) activities, especially analytics.
Data warehouses are solely intended to perform queries and analysis and often contain large amounts of historical data..
