Data query Study guides, Class notes & Summaries

COS3711 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 18 July 2024 ; 100% TRUSTED workings, explanations and solutions. for assistance Whats-App 0.6.7..1.7.1..1.7.3.9 ........... Question 1 Study the following UML class diagram: The UML class diagram is an initial design of classes for a conference registration application. There are three types of registration allowed for the conference: standard registration, student registration and invited guests registration. The standard regi...

COS3711 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 18 July 2024 ; 100% TRUSTED workings, explanations and solutions. for assistance Whats-App 0.6.7..1.7.1..1.7.3.9 ........... Question 1 Study the following UML class diagram: The UML class diagram is an initial design of classes for a conference registration application. There are three types of registration allowed for the conference: standard registration, student registration and invited guests registration. The standard regi...

WGU D426 Objective Assessment (Latest 2023/ 2023 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: The storage manager translates Answer: the query processor instructions into low-lev- el file-system commands that modify or retrieve data Q: Database sizes range from Answer: from megabytes to many terabytes, Q: the storage manager uses what to quickly locate data Answer: indexes Q: Metadata is Answer: data about the...

Mendix Advanced Certification 2023/ 2024 Exam |Actual Questions and Verified Answers| Already Graded A Q: What is an important rule to keep in mind when creating effective indexes? Answer: The index should have the same order of attributes defined as in search and retrieve queries in order to be available for queries. Q: Which of the following is NOT a benefit that XPath provides to the Mendix Platform? Answer: XPath can be used to automatically generate pages and widgets t...

WGU D426 Final Exam Review (Latest 2024/ 2025 Update) Data Management Foundations | Questions and Verified Answers|100% Correct| Grade A Q: In SQL language, what sublanguage (creates, alters, and drops tables) defines the structure of the database? Answer: Data Definition Language (DDL) Q: In SQL language, what sublanguage retrieves data from the database? Answer: - Data Query Language (DQL) Q: In SQL language, what sublanguage manipulates (inserts, updates and delet...

WGU D220 Objective Assessment Version 1 (New 2023/ 2024 Update) Information Technology in Nursing Practice | Questions and Verified Answers| 100% Correct| Graded A Confirming data accuracy or Analyzing a single piece of data in multiple ways Answer: Triangulation QUESTION What is included in meaningful use Answer: Use of electronic prescribing QUESTION What is the goal of the Health Information Exchange Answer: To allow insurance companies & providers to b...

Study the following UML class diagram: The UML class diagram is an initial design of classes for a conference registration application. There are three types of registration allowed for the conference: standard registration, student registration and invited guests registration. The standard registration fee is the standard fee (stored in STANDARD_FEE). For those registered as students, the conference fee is half the price of the standard registration fee. For those registered as guests, t...

WGU D426 V2 QUESTIONS AND ANSWERS WITH CERTIFIED SOLUTIONS The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Functional Dependency 3 MULTIPLE CHOICE OPTIONS An attribute that can be used to find the value of another attribute in the relation. Determinant 3 MULTIPLE CHOICE OPTIONS Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Candidate Key 3 MULTIPL...

WGU D426 Data Management Foundations Final Exam (Latest 2023/ 2023 Update) | Questions and Verified Answers|100% Correct| Grade A Q: Architecture Answer: Describes the internal components AND the relationships between components. Q: Query Processor Answer: Interprets queries, creates a plan to modify the database or retrieve the data, and returns query results to the application. Performs query optimization. Q: Query Optimization Answer: Ensures efficient instr...

WGU DATA MANAGEMENT FOUNDATIONS D426 FINAL EXAM 2024 GRADED A+. 2 / 11 1. Which requirement within large, complex databases ensures users havelimited access to the database? Recovery Performance Authorization Confidentiality: Authorization 2. Which design type specifies database requirements without regard to aspecific database system? Physical design Conceptual design Logical design Abstract design: Conceptual design 3. 3. What characterizes the rules of relational databases? -Th...