A concept hierarchy represents a series of mappings from a set of low-level concepts to larger-level, more general concepts. Concept hierarchy organizes information or concepts in a hierarchical structure or a specific partial order, which are used for defining knowledge in brief, high-level methods, and creating possible mining knowledge at ... Read More

Star SchemaA star schema is a conference for organizing the records into dimension tables, fact tables, and materialized views. All of the information is stored 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 ... Read More

The snowflake schema is a variant of the star schema model, where some dimension tables are normalized, by further dividing the records into additional tables. The developing schema graph forms a shape equivalent to a snowflake.The snowflake schema is an extension of the star schema where each point of the ... Read More

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 ... Read More

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 ... Read More

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 ... Read More

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 ... Read More

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 ... Read More

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 ... Read More

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 ... Read More