What is Data Loading
A Data Warehouse, is not just a rich repository of company data. It is also an overall strategy and process for making a cutting edge decision support system. One of the main objectives of a Data War...
Data Warehouse Basics
What is Data Layer
Spatial Data is a kind of data that reflects the real world which has become too complex for the direct and immediate understanding of data consumers. Spatial Data are used to create models of realit...
What is Data Duplication
The definition of what constitutes a duplicate has somewhat different interpretations. For instance, some define a duplicate as having the exact syntactic terms and sequence, whether having formattin...
What is Data Dissemination
The best example of dissemination is the ubiquitous internet. Every single second throughout the year, data gets disseminated to millions of users around the world. Data could sit on the millions of ...
What is Data Dimension
Data Dimension is mainly used in data warehouse implementations. A data warehouse is implemented to that organizations can profit from data driven operation which constitute a major component in runn...
What is Data Dictionary
From a general information technology technical perspective, a data dictionary is a set of metadata which contains the definition and representation of data elements. From the perspective of a databa...
What is Data Flow Diagram
The Data Flow Diagram is commonly used also for the visualization of structured design data processing. The normal flow is represented graphically. A designer typically draws context level DFD first ...
What is Data Fragmentation
Data warehouse is implemented in an organisation with the help of data architecture schema. Elements which are specific to the company or organisation are defined in data architecture schema. For i...
What is Data Conversion
Data Conversion, as the name implies, deals with changes required to move or convert data from one physical environment format to that of another, like moving data from one electronic medium or datab...
What is Data Concurrency
Data Concurrency ensures that both official data source and replicated data values are consistent, that means whenever data values official data source is updated then the corresponding replicated da...