Enterprise wide data warehouses are becoming increasingly adopted as the main source and underlying infrastructure for business intelligence (BI) solutions. Note that a data warehouse can be viewed as an integration system, where data sources are duplicated in the same repository. Data warehouses are designed to handle the queries required to discover trends and critical factors are called Onli...

In this paper, we present the results that we have obtained by comparing and testing three well-known database middleware solutions. We have analyzed their features related to global catalog and location transparency, transaction management, DML and DDL operations, SQL-dialects mask, referential integrity, security, scalability, supported data sources and platforms, query optimization, and perf...

Horizontal partitioning has evolved significantly in recent years and widely advocated by the academic and industrial communities. Horizontal Partitioning affects positively query performance, database manageability and availability. Two types of horizontal partitioning are supported: primary and referential. Horizontal fragmentation in the context of relational data warehouses is to partition ...

this article, after explaining the concept of peace building in the framework of united nations peace operations, considers the challenges facing it. peace operations are a complex and inter-related set of activities which lack clear legal status in the united nations charter, but are accessible instruments for the maintenance of international peace and security. despite the fact that peace bui...

Decades of research suggest that encoding information with respect to the self improves memory (self-reference effect, SRE) for items (item SRE). The current study focused on how processing information in reference to the self affects source memory for whether an item was self-referentially processed (a source SRE). Participants self-referentially or non-self-referentially encoded words (Experi...

Horizontal partitioning has evolved significantly in recent years and widely advocated by the academic and industrial communities. Horizontal Partitioning affects positively query performance, database manageability and availability. Two types of horizontal partitioning are supported: primary and referential. Horizontal fragmentation in the context of relational data warehouses is to partition ...

this study investigates the relationship between extraversion/introversion personality dimension and the use of strategic competence (sc) in oral referential communication by iranian efl learners. referential communication refers to a kind of guided communication in which the referents (or topics) are given to the speakers to convey their meanings to the listeners. 50 sophomore english students...