Primary key pk - Samenvattingen en Aantekeningen

Entity Integrity - ️️is a basic constraint of database relational model (abbreviated RM) that refers to the morphology of the primary key but afterwards, the same format is applied to the foreign key and, also to any of simple components of any of two. The relational model states that every relation (or table) must have an identifier, called the primary key (abbreviated PK), in such a way that every row of the same relation be identifiable by its content, that is, by a unique and minima...

WGU C170 Study Guide (New 2024/ 2025Update) Data Management Applications Exam| 100% Correct| Grade A QUESTION predicate logic: Used extensively in mathematics to provide a framework in which an assertion (statement of fact) can be verified as either true or false. QUESTION primary key (PK) Answer: In the relational model, an identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. See ...

D427 DATA MANAGEMENT (APPLICATIONS) NEW GUIDE

BDS Exam 1 Questions & Answers 2024/2025 Entity supertype - ANSWERSGeneric entity type related to one or more entity subtypes, Contains common characteristics Entity subtype - ANSWERSContains unique characteristics of each entity subtype Specialization hierarchy - ANSWERSA hierarchy based on the top-down process of identifying lower-level, more specific entity SUBtypes from a higher-level entity SUPERtype; a SUBtype can only exist within the context of a SUPERtype What is a subtype...

WGU - C175 Data Management Exam test preparation Questions and Must have marking scheme Updated version 2024/2025 Key - correct answer one or more attributes that determine other attributes. See also super key, candidate key, primary key (pk), secondary key, and foreign key. Key attribute - correct answer the attributes that form a primary key. See also prime attribute. Key performance indicators (kpis) - correct answer in business intelligence, quantifiable numeric or scale-based measu...

US RAC Review Questions And Answers 2024 RAPS Modules Updated with Complete Solution. In which situation is an IND not required? A) You intend to conduct a clinical trial with an investigational new drug B) You intend to conduct a clinical trial with an approved drug to support a marketing application for a new indication C) You intend to collect blood samples from subjects to look for biomarkers or pharmacogenetic information D) You intend to conduct a clinical trial using 2 of your appr...

US RAC Review Questions And Answers 2024 RAPS Modules Updated with Complete Solution. In which situation is an IND not required? A) You intend to conduct a clinical trial with an investigational new drug B) You intend to conduct a clinical trial with an approved drug to support a marketing application for a new indication C) You intend to collect blood samples from subjects to look for biomarkers or pharmacogenetic information D) You intend to conduct a clinical trial using 2 of your appr...

WGU C170 VHT2 TASK 1 NORMALIZATION AND DATABASE DESIGN VHT2 TASK 1: NORMALIZATION AND DATABASE DESIGN Course: Data Management – Applications – C170 John Smith Western Governors University Student ID # ######## Nora’s Bagel Bin Database Blueprints First Normal Form (1NF) BAGEL ORDER PK Bagel Order ID PK Bagel ID Order Date First Name Last Name Address 1 Address 2 City State Zip Mobile Phone Delivery Fee Bagel Name Bag...

WGU C170 - Data Management – Applications Latest 2024 Already Graded A Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the context of a database...

WGU C175 Pre-Assessment Data Management – Foundations Exam (Latest 2023/ 2024) Questions and Verified Answers- Grade A Q: Which data classification is an entity? A) Event B) Duration C) Directions D) Attendance Answer: Event Q: A salesperson is authorized to sell 12 products; a product can be sold by 10 salespersons. Which kind of binary relationship is described in this example? A) One-to-one B) One-to-many C) Many-to-many D) Associative Answer: Many-t...