.................................................................................................................... iii ÖZ .................................................................................................................................... iv ACKNOWLEDGMENTS ................................................................................................ v LIST OF TABLES ..........

Despite over thirty years of continuing development and a rising prominence in the public eye, today’s databases continue to be outpaced by the human appetite for new ways to process information. Although databases continue to serve as a reliable platform for transaction-based operations, traditional relational database management systems have come up short against a new class of data managemen...

Statistics on Query Expressions in Relational Database Management Systems

A practical Bridge Management System has been developed by the author, which is referred to as the Japanese Bridge Management System (J-BMS) for existing concrete bridges. This paper introduces a newly developed bridge management system for the prestressed concrete (PC) bridges (J-BMS PC version) which is integrated with the PC bridge rating expert system (PC-BREX). The proposed system is able ...

abstract the aim of this study was to evaluate the status of information on forest and data transfer and to identify the gaps in information and data flow in forestry sector in iran. the study evaluated the data and information flow in three levels (control offices level, provincial offices level and organizational offices level) using the document analysis and questioning (interviews and ques...

REAM (RElational dAtabase Management system) is a relational database management system developed by OKI. The relational database has been expected to be widespread thanks to its well-defined mathematical foundation; however, application programmers have suffered from incompatible access interfaces among various so-called relational database svstems so far due to the absence of the internationa...

The purpose of this note is to review the traditional set of schemas used in databases, particularly as regards how the conceptual schemas affect the design of the storage of relations. It is sometimes considered that each base relation must be stored ‘as is’, i.e. each logical tuple must be mapped directly to a corresponding physical record. This is not so, and some relational DBMS products al...

This report is the third of five companion documents to the Trusted Database Management System Interpretation of the Trusted Computer System Evaluation Criteria. The companion documents address topics that are important to the design and development of secure database management systems, and are written for database vendors, system designers, evaluators, and researchers. This report addresses p...

In spatial database, geographic information system (GIS) technology and system engineering theory, the hydro-ecological spatial database was built, and the corresponding hydro-ecological spatial database management information system was designed and developed. From aspects of the data organization and classification, the overall structure of the database, database construction processes and da...

Calanda is a special purpose database management system tailored for the management of time series. In contrast to general purpose database management systems such as relational ones, Calanda is greatly adapted to its problem domain as regards the basic data model, manipulation and query facilities and performance for typical access patterns. The benefits and drawbacks of applying a special pur...