The data warehouse The database system Information technology essay
Data is routinely transformed and loaded into a data warehouse from various transactional systems, relational databases, and other sources. Data engineers and scientists, business analysts, and decision makers access the data using BI tools and other analytical applications such as machine learning and use it to populate data. 3. System Design ETL is the most important process in traditional data warehouse technology that does not deal with unstructured data. In this system, we need a flexible ETL process that can handle various data quality issues, such as duplicate data, inconsistency data, and junk data, for example. The proposed system can be seen in. Students majoring in computer science engineering are not only trained in information technology skills, especially DBMS for database management systems, but also have reliable computer-aided.