Data warehousing documentation

How do you get information into a data warehouse?

Steps in Data Warehousing

How to do data warehousing?

To get data into your data warehouse, you need to use a type of software commonly called ETL software.
Extract, transform, load (ETL) is a process where the data is extracted, made ready for use, then loaded into the data warehouse..

What are the 5 basic stages of the data warehousing process?

A three-tier architecture divides the data warehouse into three environments or levels: a back-end server that accommodates the data, a middle-tier server that performs data analytics and processing, and a front-end server that provides the user interface..

What are the 5 basic stages of the data warehousing process?

Extract, transform, and load (ETL) is the process of combining data from multiple sources into a large, central repository called a data warehouse.
ETL uses a set of business rules to clean and organize raw data and prepare it for storage, data analytics, and machine learning (ML)..

What is data warehousing notes?

Business Requirements Document: It outlines the high-level requirements for the project.
These include business objectives, scope and expected outcomes.
Functional Requirements Document: This document lists the features and functions you need..

What is ETL in data warehouse?

A data warehouse is constructed by integrating data from multiple heterogeneous sources that support analytical reporting, structured and/or ad hoc queries, and decision making.
Data warehousing involves data cleaning, data integration, and data consolidations..