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...
Data Warehouse
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 File
Data File In a logical data model, the conceptual data model which is based on the business semantic is being defined. Thus, entities and relationships and corresponding table and column design, obje...
What is Data Extraction
Data extract is the output of the data extraction process, a very important aspect of data warehouse implementation. A data warehouse gathers data from several sources and utilizes these data to serv...
What is Data Exploration
Data exploration is a common process in data warehouses which are characterized by large bulks of data coming from disparate systems. Since these systems can have data in different formats and source...
What is Data Cleansing
Data warehouses, where a rich repository of company data may be found, are being run by database management systems that need to see one homogenous data in order for it to flow smoothly and process d...
What is Data Characteristics
Data Characteristic Data characteristics are defined during data modeling, a process where a data model is created by applying a data model theory in order to create a data model instance. A data mod...
What is Data Cardinality
Data Cardinality In the implementation of a structure query language (SQL), the term data cardinality is used to mean the uniqueness of the data values which are contained in a particular column, kno...