In data transformation, the data are transformed or linked into forms applicable for mining. Data transformation can contains the following −Smoothing − It can work to remove noise from the data. Such techniques include binning, regression, and clustering.Aggregation − In aggregation, where summary or aggregation operations are applied to the ... Read More

There are various requirements of data staging which are as follows −Productivity support − Any system it is decide to implement needs to support basic development environment capabilities such as code library management check-in/check-out, version control, and production and development system constructs. Initially, and for smaller projects, these can be ... Read More

There are various criteria for selecting the data sources which are as follows −Data accessibility − If two possible feeds exist for the data, one is stored in binary files maintained by a set of programs written before the youngest project team member was born and the other is from ... Read More

There are various tools to facilitate the project are as follows −Data Warehouse Bus Architecture Matrix − The matrix produced by the design team in their internal meetings can be cleaned up and used as a presentation support for meetings with several designers, authority, and end-users. The matrix is very ... Read More

There are the following methods for designing an Individual Fact Table which is as follows −Choosing the Data Mart − It can be choosing the data mart in the simplest method is the same as choosing the legacy source of information. Typical data marts involve purchase orders, shipments, retail sales, ... Read More

Dimensional modeling is a logical design method that follows to present the data in a standard structure that is perceptive and enables high-performance access. It is genetically dimensional and observes to a discipline that needs the relational model with several restrictions.Each dimensional model is composed of one table with a ... Read More

There are various approaches of Business Dimensional Lifecycle which are as follows −Project planning − Project planning addresses the description and scoping of the data warehouse project, such as readiness evaluation and business justification. These are the tasks because of the high visibility and costs related to data warehouse projects.Project ... Read More

Data staging is a major process that includes the following subprocesses which are as follows −Extracting − The extract step is the first phase of getting information into the data warehouse environment. Extracting defines reading and learning the source data, and copying the elements that are required to the data ... Read More

There are various elements of a data warehouse system which are as follows −Source System − An operational system of data whose service it is to capture the transactions of the business. A source system is known as a “legacy system” in a mainframe environment.The features of the source system ... Read More

Let us begin by understanding what software security is.Software SecuritySoftware security is produced to protect and secure servers, computers, cellular devices, and networks from unauthorized access, intrusions, viruses, and several threats. Software security can defend information, users, systems, and organization from a broad range of risks.Software systems can be linked ... Read More