Entity relations - Study guides, Class notes & Summaries

AREA Ans- In DB2, a named section of permanent storage space that is reserved to store the database. candidate key Ans- A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. closure Ans- A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity Ans- An entity designed to transform an M:N relationship into two 1:M relationships...

IAHSS BASIC TRAINING FOR HEALTHCARE SECURITY OFFICERS LATEST 2023 100% PASS Which of the following is NOT one of the classifications of healthcare organizations? A. Proprietary or for-profit B. Not for-profit C. Government-supported D. Individual healthcare D. INDIVIDUAL HEALTHCARE is NOT one of the classifications of healthcare organizations. Which of the following is NOT a risk issue for healthcare? A. Drugs are used and stored in the facility B. Mostly female staff C. High percentage ...

SER 322 Midterm Exam | Questions and Answers (Complete Solutions) What is a Composite attribute? A. An attribute that represents a value that is derivable from a related attribute or set of attributes, not necessarily in the same entity B. An attribute that holds multiple values for a single component C. An attribute composed of multiple components each with individual existence D. An attribute that holds a single value for a single entity E. An attribute composed of a single component with an...

PY 2025 Pennie Individual Marketplace Training for New Agents and Brokers Exam Questions And Answers| latest updates 2024/2025 All medical plans offered thru Pennie constitute Minimum Essential Coverage (MEC) True or False - answer -True The Inflation Reduction Act (IRA) signed into law in 2022, extends the premium subsidies created by the American Rescue Plan Act (ARPA) from 2022 through what year? a) 2023 b) 2024 c) 2025 d) 2026 - answer -c) 2025 Both Exchange Assisters and Brok...

BCIS 4610 exam 2 study guide Questions with complete solution 2024 BCIS 4610 exam 2 study guide conceptual - correct answer The entity-relationship model is a ______ data modeling used to capture the overall structure of data in an organization. entity - correct answer In the ER model, a person, place, object, event or concept in the user environment about which data is to be maintained is called a(n) attribute - correct answer In the ER model, a named property or characteristic ...

TYPICAL QUESTIONS & ANSWERS OBJECTIVE TYPE QUESTIONS Each question carries 2 marks. Choose the correct or best alternative in the following: Q.1 In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints. Ans: A Q.2 Relational calculus is a (A) Procedural language. (B) Non- Procedural language. (C) Data definition language. (D) High level language. Ans: B ...

System correct answers An interacting set of units, parts, or persons that together make up a whole arrangement or organization Social influences that contributed to counseling being a non-entity correct answers Myth of rugged individualism Tradition Theoretical emphases of the times (psychoanalysis and behaviorism) Erik Erikson correct answers First popularized the idea of an individual life cycle through his research and writings on the eight stages of life. Four factors that helped...

WGU C792 Task 2: Entity Relationship Diagram (ERD) 2023. What I've learned in this course is that data modeling makes it possible to store and retrieve data efficiently, and that it also reports the information that makes it possible to quickly retrieve data by selecting certain information. In a hospital database, for instance, we can view a patient's medical history with a single click, without having to open any additional files. Entity relationship diagrams like the one I made were pos...

ETS MFT BUSINESS EXAM The principal difference between variable costing and absorption costing centers on: a) whether variable manufacturing costs should be included as product costs b) whether fixed manufacturing costs should be included as product costs c) whether fixed manufacturing costs and fixed selling and administrative costs should be included as product costs d) none of these. General Bikes is debating which marketing research options to employ. The traditional p...

WGU C792 Task 2: Entity Relationship Diagram (ERD) Throughout my career as a nurse, I've been aware of the importance of databases for tracking patient information. But, prior to this position, I had zero database experience. This project taught me a lot about databases, database design, and data modeling. DMBS is a piece of software designed to answer questions about data by storing it, retrieving it, and processing it. As an interface, the DMBS lets users add, view, modify, and remove rec...