WGU D426 (D426)
Western Governors University
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WGU D426 V2 Exam
- Exam (elaborations) • 22 pages • 2024
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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 
An attribute that can be used to find the value of another attribute in the relation. 
Determinant 
Value can be used to find the value of every other non-key attribute in the table. 
Unique and minimal. 
Candidate Key 
Define & manage database structures 
DDL 
Adding, deleting, and modifying data - Manipulates data stored in a database...
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WGU D426 Data Management Foundations Final Exam Review (Latest 2024/ 2025 Update) Questions and Verified Answers Correct Grade A
- Exam (elaborations) • 15 pages • 2024
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What Is a software that reads and writes data in a database? 
Database management system or DBMS 
What is a computer programming language for writing database queries? 
Query language 
What is a command for a database that typically inserts new data, retrieves data, 
updates data, or deletes data from a database 
Query 
What is a group of queries that must be either completed or rejected as a whole? 
A transaction 
What Interprets queries, creates a plan to modify the database or retrieve data, ...
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WGU D426 Data Management Foundations Objective Assessment Questions and Verified Correct Answers Grade A
- Exam (elaborations) • 19 pages • 2024
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Database Application - Software that helps business users interact with database 
systems. 
Database Administrator - Responsible for securing the database system against 
unauthorized users. A database administrator enforces procedures for user access 
and database system availability. 
Authorization - Many database users should have limited access to specific tables, 
columns, or rows of a database. Database systems authorize individual users to 
access specific data. 
Rules - Database systems ...
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WGU D426 Data Fundamentals Exam Questions and Verified Answers
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Storage Manager - Translates the query processor instructions into low-level filesystem 
commands that modify 
OR retrieve data. Uses indexes to quickly locate data. 
Third Normal Form (3NF) - All non-key columns depend on the key, the whole 
key, and nothing but the key. 
Domain - A named set of possible database values, such as integers, dictionary 
words, or logical values (TRUE and FALSE). 
Boyce-Codd Normal Form - What normal form am I? 
A table is in this normal form if whenever column A d...
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WGU D426 V2 EXAM QUESTIONS AND CORRECT DETAILED ANSWERS A GRADE
- Exam (elaborations) • 22 pages • 2024
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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 
An attribute that can be used to find the value of another attribute in the relation. 
Determinant 
Value can be used to find the value of every other non-key attribute in the table. 
Unique and minimal. 
Candidate Key 
Define & manage database structures 
DDL 
Adding, deleting, and modifying data - Manipulates data stored in a database...
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WGU D426 PRE-ASSESSMENT: DATA MANAGEMENT - FOUNDATIONS PRACTICE ASSESSMENT
- Exam (elaborations) • 18 pages • 2024
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WGU D426 PRE-ASSESSMENT: DATA MANAGEMENT - FOUNDATIONS 
PRACTICE ASSESSMENT
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WGU D426 - Data Management Foundations (Pre-Assessment) Questions with Verified Answers Latest Update 2024
- Exam (elaborations) • 10 pages • 2024
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Which requirement within large, complex databases ensures users have limited 
access to the database? 
A) Recovery 
B) Performance 
C) Authorization 
D) Confidentiality - C) Authorization 
Which design type specifies database requirements without regard to a specific 
database system? 
A) Physical design 
B) Conceptual design 
C) Logical design 
D) Abstract design - B) Conceptual Design 
What characterizes the rules of relational databases? - They are logical constraints 
that ensure the data is...
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WGU D426 Introduction To Databases Exam Study Guide
- Exam (elaborations) • 9 pages • 2024
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data 
numeric, textural, visual or audio information that describes real-world systems. 
Collected and processes to aid in variety of tasks 
scope 
amt of data produced and collected vary 
format 
data may be produced as numbers, text, image, or audio 
access 
some data sources are private while others are made publicly available 
analog 
encoded as continuous variations on physical media 
digital 
binary on electronic or magnetic media 
database 
collection of data in structured format 
databas...
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WGU D426 Data Management - Foundations Exam Questions and Answers Solved 2024
- Exam (elaborations) • 15 pages • 2024
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Which requirement within large, complex databases ensures users have limited 
access to the database? 
Recovery 
Performance 
Authorization 
Confidentiality 
Which design type specifies database requirements without regard to a specific 
database system? 
Physical design 
Conceptual design 
Logical design 
Abstract design 
3. What characterizes the rules of relational databases? 
-They are logical constraints that ensure the data is valid. 
-They are based on business policy and specific databas...
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WGU D426 Database Management Exam Questions and Answers
- Exam (elaborations) • 13 pages • 2024
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Which requirement within large, complex databases ensures users have limited 
access to the database? 
Authorization 
Which design type specifies database requirements without regard to a specific 
database system? 
Conceptual design / analysis phase 
What characterizes the rules of relational databases? 
They are logical constraints that ensure the data is valid. 
Which event will result in an error code and error description when using MySQL 
Server? 
When an SQL statement is syntactically inc...
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