Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 3 out of 16 pages
Exam (elaborations)

WGU D426 V2 COURSE STUDY GUIDE // A+ GRADED PRESENTATION // DATA MANAGEMENT FOUNDATIONS DATABASE CONCEPTS SQL PRINCIPLES AND INFORMATION SYSTEM APPLICATIONS FOR STUDENT MASTERY // ACADEMIC YEAR 2025/2026

Document preview thumbnail
Preview 3 out of 16 pages

WGU D426 V2 COURSE STUDY GUIDE // A+ GRADED PRESENTATION // DATA MANAGEMENT FOUNDATIONS DATABASE CONCEPTS SQL PRINCIPLES AND INFORMATION SYSTEM APPLICATIONS FOR STUDENT MASTERY // ACADEMIC YEAR 2025/2026

Content preview

WGU D426 V2 COURSE STUDY GUIDE // A+ GRADED PRESENTATION
// DATA MANAGEMENT FOUNDATIONS DATABASE CONCEPTS SQL
PRINCIPLES AND INFORMATION SYSTEM APPLICATIONS FOR
STUDENT MASTERY // ACADEMIC YEAR 2025/2026




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 multiple choice options
Define & manage database structures
DDL
2 multiple choice options
Adding, deleting, and modifying data - Manipulates data stored in a
database.
DML
2 multiple choice options
Used to create user accounts, manage permissions and access.

,DCL
2 multiple choice options
Includes CREATE, DROP, ALTER, TRUNCATE, RENAME
DDL
2 multiple choice options
A view created and stored on the database. Underlying data is changed
and also updated in this view. Uses memory space.
Materialized View
2 multiple choice options
Not stored in memory. Only computed when used or accessed.
Virtual View
2 multiple choice options
The data about the data. Describes elements such as columns, names,
and data type.
Metadata
3 multiple choice options
Ordered collection of elements in parentheses.
Tuple
3 multiple choice options
% of table rows selected by a query
Hit Ration
3 multiple choice options
Reads blocks directly, without accessing an index.
Table Scan
3 multiple choice options

, Reads index blocks sequentially in order to locate the needed table blocks.
Index Scan
2 multiple choice options
Database repeatedly splits the index in two until it finds a match.
Binary Search
3 multiple choice options
Database object that maps one or more tables to a single file.
Tablespace
3 multiple choice options
Specifies tables, columns, and keys. Implements database requirements in
a specific database system. Also called a schema.
Logical Design
3 multiple choice options
Specifies indexes, table structures, and partitions. Specifies how tables are
organized on storage media.
Physical Design
3 multiple choice options
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

Document information

Uploaded on
December 30, 2025
Number of pages
16
Written in
2025/2026
Type
Exam (elaborations)
Contains
Questions & answers
£20.45

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Sold
0
Followers
0
Items
87
Last sold
-



Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their exams and reviewed by others who've used these revision notes.

Didn't get what you expected? Choose another document

No problem! You can straightaway pick a different document that better suits what you're after.

Pay as you like, start learning straight away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and smashed it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions