Relational database exam - Study guides, Class notes & Summaries

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...

WGU Data Management - Foundations - D426 Exam Questions And Answers 100% Solved Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? ...

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...

What is an entity - ANSWER An Entity Is a Thing of Interest Within the UoD About Which Information May Be Collected, Manipulated, and Stored. An Entity Is a Thing That Has Real (Commonly Perceived) and Individual (Uniquely Identifiable) Existence. Entity and Object Used to Have the Same Meaning. What are some of the common types of entities Physical and Conceptual categories - ANSWER Person or Roles Played: Student, Customer || Tangible Things: Books, Cars || Locations: Room, Building, Des...

WGU C175 Data Management – Foundations Final Exam (Latest 2023/ 2024) Questions and Verified Answers- Grade A Q: A one-to-many unary relationship allows an occurrence of the entity type on the "one side" of the relationship to be associated with . a) a single occurrence of the same entity type b) multiple occurrences of the same entity type c) a single occurrence of the different entity type on the "many side" of the relationship d) multiple occurrences of the different en...

Nursing Informatics Certification Exam, ANCC Informatics, ANCC Nursing Informatics Certification Review 629 Questions with Answers Meta structure of NI - CORRECT ANSWER The ability of the nurse to utilize data, information, and knowledge to make wise clinical decisions. Definition of Nursing Informatics - CORRECT ANSWER A speciality that integrates nursing science with multiple information and analytical sciences to identify, define, manage and communicate data, information, knowledge and ...

DAD 220 - Chapter 2: Relational Database Exam Questions And Correct Answers All 100% Verified Database Model - Answer -A database model is a conceptual framework for database software. Relational Model - Answer -The relational model is a database model based on mathematical principles, with three parts. What are the three parts of a relational model? - Answer -1. A data structure that prescribes how data is organized. 2. Operations that manipulate data structures. 3. Rules that govern...

UTA INSY 3304 - Exam 2 - Chapter 7&9 Latest 2023 Graded A Data definition language DDL Data manipulation language DML CREAT SCHEMA AUTHORIZATION Creates a database schema CREATE TABLE Creates a new table in the user's databse schema NOT NULL Ensures that a column will not have null values UNIQUE Ensures that a column will not have duplicate values PRIMARY KEY Defines a primary key for a table FOREIGN KEY Defines a foreign key for a table DEFAULT Defines a default value for a column ( wh...

Describe the DATA Hierarchy - ANSWER Field- Attributes about an entity Record- Related group of fields File- related group of records Database- related group of a files What are the advantages of Database Systems - ANSWER Data Integration- Combined and accessible Data Sharing-easily to access Minimizing Redundancy & Data inconsistency- Eliminates same data storage Data independence- data separate from programs Cross functional analysis- Departments can be more easily combined

ISDS 3003 Final Exam Review 2023 complete solution. A relational database is ________ A. a self-describing collection of related tables B. a library of queries and data files for querying C. a set of applications and the data sets for those applications D. a set of metadata E. a collection of forms and reports that support a given purpose - a self-describing collection of related tables Data mining applications are used to accomplish all of the following tasks except ________ ...