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Data Mining Articles
Page 31 of 36
What is Star Schema?
A star schema is a conference for constructing the data into dimension tables, fact tables, and materialized views. All data is saved in columns, and metadata is needed to identify the columns that function as multidimensional objects.A star schema is a relational schema where a relational schema whose design defines a multidimensional data model. The star schema is the explicit data warehouse schema. It is referred to as star schema because the entity-relationship diagram of this schemas reproduces a star, with points, diverge from the main table. The middle of the schema includes a high fact table, and the star ...
Read MoreWhat is Data Cube?
A data cube enables data to be modeled and viewed in several dimensions. It is represented by dimensions and facts. In other terms, dimensions are the views or entities related to which an organization is required to keep records.For instance, AllElectronics can create a sales data warehouse to maintain records of the store’s sales-related dimensions time, item, branch, and location. These dimensions enable the store to maintain track of things like monthly sales of items and the branches and locations at which the items were sold.Each dimension can have a table related to it. It is known as a dimension ...
Read MoreWhat are the types of Materialized Views?
The SELECT clause in the materialized view creation statement represents the data that the materialized view is to include. Some restrictions that limit what can be defined and multiple tables can be joined together. There are several elements including views, inline views (subqueries in the FROM clause of a SELECT statement), subqueries, and materialized views that can all be joined or imputed in the SELECT clause.There are the various types of Materialised views are as follows −Materialized Views with Aggregates − In data warehouses, materialized views generally include aggregates. For a quick update to be possible, the SELECT list must ...
Read MoreWhat are the implementations of EAI in data mining?
EAI represents Enterprise Application Integration. It supports an integrated method to connecting the multiple components of the IT framework- people, software, platforms, and databases to allow secure, intra and inter-enterprise collaboration.EAI solutions allow an organization to integrate business processes internally and externally with business partners to make dynamic environments that provide current and evolving business requirements, thereby making a worldwide organization.EAI helps in unrestricted sharing of information and business processes between any connected software or data sources in the enterprise without creating major changes to the software or data structures. EAI integrates numerous, independently developed software using incompatible technologies into ...
Read MoreHow can data mining improve market segmentation?
EAI Solutions are changing from middleware messaging systems to Business process Integration. The EAI market is concentrated generally on the layers of the OSI model for EAI, viz., Integration middleware, and Interface Syntax. The main reason for the target on these two layers is the immaturity of the EAI industry and also that profits are simpler to produce in these two layers.Platform Integration − This supports connectivity between heterogeneous hardware, operating frameworks, and application platforms. There are several technologies supporting platform integration are −Messaging − this is for asynchronous connectivityRemote Procedure Calls − Synchronous connectivityObject Request Brokers − Both types ...
Read MoreWhat are the criteria for EAI Software Checklist?
EAI represents Enterprise Application Integration. It supports an integrated method to connecting the multiple components of the IT framework- people, software, platforms, and databases to allow secure, intra and inter-enterprise collaboration.EAI solutions allow an organization to integrate business procedures internally and externally with business partners to make dynamic environments that provide current and deriving business requirements, thereby generating a universal organization. There are several criteria for the EAI software checklist which are as follows −Topology Independence − The structure to choose for linking an integrated process depends on several factors like performance, timing requirement, event coordination, etc.Support for Multiple Operating ...
Read MoreWhat are the evaluations for EAI Solution?
The EAI solution should have the following functionalities −Workflow Management − The facility for designing transaction workflows across the software.Seamless Data Transformation − The complete and simultaneous transformation of application content between several sources and destinations, regardless of software complexity.Intelligent Content-Based Routing − It is a strong, rules-based routing of messages, documents, and multiple data objects based on content from any element of the transaction and centralized administration of the routing rules.Business Rule Management − The graphical environment for definition and management of business rules to provide a business process that crosses software boundaries.It can provide for components, involving standard ...
Read MoreWhat is EAI Solution?
The solution for EAI includes technology for providing both data level and business model level integration. Design patterns are used to recognize, classify and reuse interfaces to provide that the selected approaches of application-to-application communications are the best.Effective EAI solutions lower the upfront costs of implementation and support open, seamless integration of business processes with any kind of technical framework. This also appears in a Zero Latency Enterprise.Requirements for Effective EAI SolutionIT techniques are required to be mapped out according to the business techniques and the goals.The whole understanding of the business processes data models and the providing systems and ...
Read MoreWhat are the types of EAI Software Topology?
There are various types of EAI software topology which are as follows −Hub/Star TopologyHub typology helps generate a main point of control. Messages are shared from source to central hub, which is provided in the machine itself. Hub typology works if business events are autonomous and if the Message Oriented Middleware (MOM) on which the typology is based from an individual vendor. Therefore the source application shares an individual message in one format and the hub reformats the message as essential and broadcast it to the multiple radius linked to the hub.Advantages of Hub/Star TopologyIt can be used to decrease ...
Read MoreWhat are the components of Portal Server?
Portals should the user with an individual point of access to a broad variety of content, information, and services throughout an enterprise. The content advertised through portal providers, routes, and portlets on the portal page can be personalized depending on user preferences, user role or branches within an organization, site design, and marketing drive for customers as end-users.Business intelligence portals support executives, managers, and business analysts with simple access to business intelligence for creating key business decisions. This kind of portal generally indexes business intelligence documents, analyses, and canned queries, and is related to financial management, user relationship management, and ...
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