operational database vs data warehouse

Data Warehouse Process Architecture The process architecture defines an architecture in which the data from the data warehouse is processed for a…

Difference between Star and Snowflake Schemas Star Schema In a star schema, the fact table will be at the center and is…

Types of Database Parallelism Parallelism is used to support speedup, where queries are executed faster because more resources, such as processors and…

Types of OLAP There are three main types of OLAP servers are as following: ROLAP stands for Relational OLAP, an application based…

What is Data Cube? When data is grouped or combined in multidimensional matrices called Data Cubes. The data cube method has a…

What is Data Mart? A Data Mart is a subset of a directorial information store, generally oriented to a specific purpose or…

What is Dimensional Modeling? Dimensional modeling represents data with a cube operation, making more suitable logical data representation with OLAP data management.…

Characteristics of OLAP In the FASMI characteristics of OLAP methods, the term derived from the first letters of the characteristics are: Fast…

What is Fact Constellation Schema? A Fact constellation means two or more fact tables sharing one or more dimensions. It is also…

Data Warehouse Architecture A data warehouse architecture is a method of defining the overall architecture of data communication processing and presentation that…