Associative Entities

information of the joint venture of DeviceCo, and Pharmador branded LeaseMed. The joint venture LeaseMed has been created to operate as a medical equipment leasing entity. The joint venture is overseen by a board of directors composed of six members with three representatives from both parent companies. The joint

like John Donne. According to www.britannica.com it “sets up an analogy between one entity’s spiritual qualities and an object in the physical world and sometimes controls the whole structure of the poem.” In the context of “The Flea”, this spiritual entity is love, lust, and sex, and the “object” in the physical world

1. Identify suitable business data, data elements, data types, and resources, based on the following interview between a database analyst and a lecturer from Sutherland University: Business Data Data Elements Data Types Resources Course Course code Course name Course start date Course end date Integer Character Date Date Admin Classes Class name Start date End date Time Location Class capacity Integer Date Date Date time Integer Variable Admin Students Student ID

5) 1. What is an entity relationship diagram (ERD)? Simple analysis diagrams used for data modelling Attempt to capture an accurate representation of required  information Information is identified as distinct things of interest such as objects, people and interactions (transactions) Also show specific associations (relationships) between these things Entities: “A thing or object of significance” Attributes: An individual characteristic of an entity Relationships:

of other composite attributes? Single-Valued vs. Multi-valued Attributes ▪ Most attributes have a single value for each entity, such as a car only has one model, a student has only one ID number, an employee has only one data of birth. These attributes are called single-valued attributes. ▪ Sometimes an attribute can have multiple values for a single entity, for example, a doctor may have more than one specialty (or may have only one specialty), a customer may have more than one mobile

Each symbol’s shape represents a different label. For example, inputting a rectangle identifies the entity, and a diamonds highlights the relationships between items. The analyst inputs an oval to list the entity’s attributes. Each design links to another with lines illustrating direct relationships between categories (Bagranoff et al., 2008). The organization

AMITY UNIVERSITY SUMMER TRAINING PROJECT REPORT ON BOOK STORE MANAGEMENT SYSTEM SUBMITTED BY: PARNAY TYAGI ENROLLMENT NO. A1049513014 PROJECTGUIDE: Dr. Dolly Sharma Acknowledgement I am thankful to everyone who supported me for the completion of my project on time. It is my profound privilege and pleasure to express the over whelming sense of gratitude , devotion and regards to my project guide "Dr. Dolly Sharma" for her valuable suggestions, timely guidance and words of

these DFDs to identify the attributes of each of the six entities listed in this case, using Figure PE Figure 7-1; I have also placed the Visio diagram in doc sharing, Project Workbook - Week 4). Write an unambiguous definition for each attribute. Then, redraw PE Figure 7-1 by placing the six (and additional) entities in this case on the diagram along with their associated attributes. List at least 2 attributes for each of the six entities and describe then in a short sentence or bullet

a.Define one-to-many relationship and give an example. In social databases, a one-to-numerous relationship happens when a parent record in one table can possibly reference a few youngster records in another table. In a one-to-numerous relationship, the parent is not required to have youngster records; in this way, the one-to-numerous relationship permits zero tyke records, a solitary kid record or various kid records. The imperative thing is that the youngster can't have more than one parent record

Selected Answer:  False Answers: True  False Question 11 1 out of 1 points Subtypes should be used when: Selected Answer:   there are attributes that apply to some but not all instances of an entity type. Answers:   there are attributes that apply to some but not all instances of an entity type. supertypes relate to objects outside the business. the instances of a subtype do not participate in a relationship that is unique to that subtype. None of these. Question 12 0 out of 1 points