# Terms to Know

***DBMS*** - Database Management System

***RDBMS*** - Relational Database Management System

***ETL*** - Extract Transform Load - Back office process for loading data to Data Warehouse.

***Bill Inmon*** - Considered the Father of Data Warehousing.

***Ralph Kimball*** - He’s the father of Dimensional modeling and the Star Schema.

***OLTP*** - Online Transaction Processing. The classic operational database for taking orders, reservations, etc.

***OLAP*** - Online Analytical Processing. Big database providers (IBM, Teradata, Microsoft.. ) started integrating OLAP into their systems.