- Study guides, Study notes & Summaries

WGU D426 LESSON 1,2,3,4 AND 5 LATEST 2024/2025 UPDATE; QUESTIONS AND ANSWERS SOLVED database application (Database Basics) - software that helps business users interact with database systems. Database Administrator (Database Basics) - Database Roles: A database administrator is responsible for safeguarding the database system against unauthorized access and enforcing procedures for user access and system availability. database designer (Database Basics) - determines the format of each ...

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24 pages

Written in 2023/2024

Grade A+

DrJon

WGU D426 V2 Actual Exam Questions and Answers 100% Solved The relationship (within the relation) that describes how the value of one attribute may be used to find the value of another attribute. Answer - Functional Dependency An attribute that can be used to find the value of another attribute in the relation. Answer - Determinant Value can be used to find the value of every other non-key attribute in the table. Unique and minimal. Answer - Candidate Key

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24 pages

Written in 2023/2024

Grade A+

DrJon

WGU C175/d426 Final Exam Study Review; Questions and Answers 100% Solved What is a broad definition of data? Ans Raw facts are captured on ptinted of digital Media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files

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17 pages

Written in 2023/2024

Grade A+

DrJon

WGU DATA MANAGEMENT FOUNDATIONS D426 FINAL EXAM WITH COMPLETE SOLUTIONS…GRADE A+ 1 Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality— correct answer --Authorization 2 . Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design-- correct answer --Conceptual design 3 What ...

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16 pages

Written in 2023/2024

Grade A+

DrJon

WGU D426 Data Management - Foundations - Exam with Complete Solutions 1. Which requirement within large, complex databases ensures users havelimited access to the database? Recovery Performance Authorization Confidentiality: ans Authoriation 2. Which design type specifies database requirements without regard to aspecific database system? Physical design Conceptual designLogical design Abstract design: ans Conceptual design 3. 3. What characterizes the rules of relational databases?

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11 pages

Written in 2023/2024

Grade A+

DrJon

D426 WGU Notes; Questions and Answers 100% Solved Database application Correct answer software that helps business users interact with database systems Database administrator Correct answer responsible for securing the database system against unauthorized users, enforces procedures Authorization Correct answer limits user access Rules Correct answer database systems ensure data is consistent with structural and business rules Query processor Correct answer interprets queries, creates ...

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13 pages

Written in 2023/2024

Grade A+

DrJon

D426 WGU Data Management - Foundations Real Exam with Complete Solutions…Grade A+ 1. Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality: Authorization 2. Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design: Conceptual design 3. 3. What characterizes the rules of relational ...

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17 pages

Written in 2023/2024

Grade A+

DrJon

WGU - D426 Exam; Questions and Answers 100% Correct A ____ is a column, or group of columns, used to identify a row. Correct answer Primary key A ____ consists of a single column. Correct answer Simple primary key A ____ key consists of multiple columns. Correct answer Composite primary All primary keys columns are necessary for uniqueness. When any column is removed, the resulting simple or composite column is no longer unique. Correct answer Minimal The ____ constraint in the CREATE...

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12 pages

Written in 2023/2024

Grade A+

DrJon

WGU - D426 Exam; Questions and Answers 100% Correct Query Processor Correct answer Interprets queries. Compiles queries into low-level instructions for the storage engine. Creates a plan to modify the database or retrieve data, and returns query results to the application. Query optimization Correct answer The query processor performs query optimization to ensure the most efficient instructions are executed on the data.

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11 pages

Written in 2023/2024

Grade A+

DrJon

WGU - D426: Objective Assessment; Questions and Answers 100% Correct Database Application Correct answer Software that helps business users interact with database systems. Database Administrator Correct answer Responsible for securing the database system against unauthorized users. A database administrator enforces procedures for user access and database system availability. Authorization Correct answer Many database users should have limited access to specific tables, columns, or r...

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19 pages

Written in 2023/2024

Grade A+

DrJon

D426 WGU Data Management – Foundations; Questions and Answers 100% Solved Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Correct answer Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Correct answer Conceptual design

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18 pages

Written in 2023/2024

Grade A+

DrJon

WGU D426 V2 LATEST EXAM WITH COMPLETE SOLUTIONS 2024/2025 UPDATE 100% SOLVED Components of a computer system and the relationships between components. Architecture 3 MULTIPLE CHOICE OPTIONS Interact directly with database users and administrators and send queries to the query processor. Includes Connectors & APIs, Workbench, and utility programs. Tools 3 MULTIPLE CHOICE OPTIONS Interprets queries. Compiles queries into low-level instructions for the storage engine. Creates a pla...

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22 pages

Written in 2023/2024

Grade A+

DrJon

Database application correct answers software that helps business users interact with database systems Database administrator correct answers responsible for securing the database system against unauthorized users, enforces procedures Authorization correct answers limits user access Rules correct answers database systems ensure data is consistent with structural and business rules Query processor correct answers interprets queries, creates plan to modify database/retrieve data, and r...

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8 pages

Written in 2023/2024

Grade A+

SirAnton