Database Systems Chapter 1 The Entity Relationship Modelling The Concepts of Entity Relationship Model 1.1 Entity Types A group of objects with the same properties‚ which are identified by the enterprise as having an independent existence. Entity occurrence is referring to a unique identifiable object of an entity type. Figure 1.0 Example of entities with a physical or conceptual existence 1.2 Relationship Type A set of meaningful associations among entity types. It is a set of associations
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Entity-Relationship (E/R) Model Dr P Sreenivasa Kumar Professor CS&E Dept I I T Madras Entity-Relationship (E/R) Model Widely used conceptual level data model • proposed by Peter P Chen in 1970s Data model to describe the database system at the requirements collection stage • high level description. • easy to understand for the enterprise managers. • rigorous enough to be used for system building. Concepts available in the model • entities and attributes of entities. • relationships between
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Business entity concept This concept assumes that‚ for accounting purposes‚ the business enterprise and its owners are two separate independent entities. Thus‚ the business and personal transactions of its owner are separate. For example‚ when the owner invests money in the business‚ it is recorded as liability of the business to the owner. Similarly‚ when the owner takes away from the business cash/goods for his/her personal use‚ it is not treated as business expense. Thus‚ the accounting records
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Singapore Nursing Board Standards for Nursing Practice defines that Nurses/midwives have the professional responsibility and accountability to uphold Standard of care and to contribute to their dissemination‚ interpretation and development despite medical advances‚ social and demographic changes and an increasingly complex healthcare delivery system that challenge the ability of nurses to provide safe quality of care. Should nurses fail to uphold certain standards and by doing so cause harm or injury
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care of IV catheters and other invasive equipment also assist. Infection control in health care facilities like Aseptic technique is a key component of all invasive medical procedures. Similarly‚ infection control measures are most effective when Standard Precautions (health care) are applied because undiagnosed
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Multi-Professional Support of Learning and Assessing in Practice Theoretical Assignment The Role of a Nursing Mentor The design of this essay is to focus on two different aspects of mentorship in a nursing environment. Part one will focus on the role of a clinical mentor and part two will explain an assessment of a student nurse through the vision of a new mentor observing a clinical procedure undertaken by the student. The aim is to cover the learning outcomes of the module and focus on current
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of Advanced Nursing‚ 1999‚ 30(1)‚ 74±82 Philosophical and ethical issues The theory±practice relationship in nursing: the practitioners ’ perspective Gerard M. Fealy MEd BNS RGN RPN RNT Lecturer in Nursing‚ School of Nursing and Midwifery‚ University College Dublin‚ National University of Ireland‚ Dublin‚ Republic of Ireland Accepted for publication 15 September 1998 FEALY G.M. (1999) Journal of Advanced Nursing 30(1)‚ 74±82 The theory±practice relationship in nursing: the practitioners
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#1. Entity Relationship Diagram #2. a. & b. One Room can be designated only one Room Type‚ whilst a particular Room Type can be assigned to several rooms (i.e. there may be many rooms that have double beds). Therefore‚ Room has a one-to-one relationship with RoomType and RoomType has a one-to-many relationship with Room. From the table‚ it can be seen that a particular room can only be designated as belonging to one type / category‚ thus confirming that Room RoomType has
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BOARD OF REGISTERED NURSING PO Box 944210‚ Sacramento‚ CA 94244-2100 P (916) 322-3350 F (916) 574-8637 | www.rn.ca.gov Louise R. Bailey‚ MEd‚ RN‚ Executive Officer COMPLEMENTARY AND ALTERNATIVE THERAPIES IN REGISTERED NURSING PRACTICE The competency of a registered nurse (RN) to perform the skills of complementary and alternative therapies begins with nursing education and ends with the safe nursing practice of those skills in such a way "that ensures the safety‚ comfort‚ personal hygiene‚
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organization to nursing knowledge and provides a logical way of gathering information to describe‚ explain‚ and predict nursing practice. Theories describe and explain nursing and the purpose of nursing to differentiate it from other caring professions by setting boundaries. (McEwen & Wills‚ 2014‚ p. 25). The use of theories gives nursing its own identity and takes away the task-oriented description of the past. Kolcaba’s theory of comfort is a theory that is used throughout nursing‚ although many
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