objectives: the aim of this study was to examine the prevalence of anger rumination and its relationship with coping strategies and assertiveness in students of mohaghegh ardebili university. methods: the present research was a descriptive correlational study. the study population consisted of all students enrolled in the academic year 1390-91 (n = 8344). in the first step, to determine the pre...

Computerized databases are essential and inseparable components of a vast majority of today's information systems. Database systems are used at all levels of management, research and production to provide uniform access and control of consistent information. A database system implements a data model. A data model is a logical organization of (objects) entities and relationships among objects in...

The present study examines empirically the relationship betuieen sex and internal-external expectancy. It also studies the differences in the level of performance between internally and externally oriented male and female library employees. The results of inter-correlation suggest sex as a significant correlate of locus of control. Bivariate analysis reveals significant difference in the level ...

In this paper, we estimated the level of “Two Oriented Society” of Anhui province industrial sector by Principal Component Analysis based on the data of 2000-2008, then we constructed a grey correctional degree model to analyze the relationship between R & D investment and “Two Oriented Society”. The empirical results showed that R & D investment would promote “Two Oriented Society” constructio...

This paper explores the close relationship between feature-oriented and architectural styles of formal system description, and explains the formal methods needed to support descriptions in these styles. In the telecommunications domain, DFC is a successful example of a feature-oriented, architectural description technique. Although formal methods for DFC are in their infancy, there are already ...

2 Database Management Systems 3 2.1 Three-Schema Architecture . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 2.2 Organisation of an Integrated Database System . . . . . . . . . . . . . . . . . . . . 5 2.3 Hierarchical and Network Databases . . . . . . . . . . . . . . . . . . . . . . . . . . 5 2.4 Relational Databases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....