Superkey a Study guides, Class notes & Summaries
Looking for the best study guides, study notes and summaries about Superkey a? On this page you'll find 235 study documents about Superkey a.
Page 4 out of 235 results
Sort by
-
WGU C175 Data Management Foundations Exam Questions and Answers 2024/2025 Graded A+
- Exam (elaborations) • 17 pages • 2024
- Available in package deal
-
- $17.99
- + learn more
WGU C175 Data Management Foundations Test Questions and Answers 2024/2025 Graded A+. They can serve as a communication tool between the users and designers. 
Which of the following is true of business rules? 
entity 
A(n) _______ is anything about which data are to be collected and stored. 
XML/Hybrid data model 
Oracle 11g is an example of the _______. 
entity instance 
Each row in the relational table is known as a(n) 
relational data model 
MySQL is an example of the _______. 
attribute 
A(n)...
-
WGU C170 - Data Management - Applications STUDY NOTES
- Exam (elaborations) • 22 pages • 2024
- Available in package deal
-
- $14.49
- + learn more
Domain 
In data modeling, the construct used to organize and describe an attribute's set of possible values. 
Primary key (PK) 
An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. 
Key 
One or more attributes that determine other attributes. 
Determination 
The role of a key. In the context of a database table, the statement "A determines B" indicates that knowing the value of attrib...
-
WGU C175 - Lesson 3 : Terms Questions & Correct Answers | Grade A+WGU C175 - Lesson 3 : Terms Questions & Correct Answers | Grade A+
- Exam (elaborations) • 6 pages • 2024
- Available in package deal
-
- $10.49
- + learn more
business rule 
Ans- A description of a policy, procedure, or principle within an organization. For 
example, a pilot cannot be on duty for more than 10 hours during a 24-hour period, 
or a professor may teach up to four classes during a semester. 
candidate key 
Ans- A minimal superkey; that is, a key that does not contain a subset of 
attributes that is itself a superkey. See key. 
composite entity 
Ans- An entity designed to transform an M:N relationship into two 1:M 
relationships. The co...
-
WGU C170 Data Management - Applications Questions and Answers(A+ Solution guide)
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
-
- $7.99
- + learn more
domain - Answer In data modeling, the construct used to organize and describe an attribute's set of 
possible values 
superkey - Answer An attribute or attributes that uniquely identify each entity in a table. Any composite 
key with this is also this. 
candidate key - Answer A minimal superkey; that is, a key that does not contain a subset of attributes 
that is itself a superkey 
entity integrity - Answer The property of a relational table that guarantees each entity has a unique 
value in a ...
-
WGU C170 - Data Management – Applications, Exam Review Questions and answers, graded A+. VERIFIED.
- Exam (elaborations) • 34 pages • 2023
-
Available in package deal
-
- $11.49
- + learn more
WGU C170 - Data Management – Applications, Exam Review Questions and answers, graded A+. VERIFIED. 
 
 
Domain 
In data modeling, the construct used to organize and describe an attribute's set of possible values. 
 
 
Primary key (PK) 
An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. 
 
 
 
Key 
One or more attributes that determine other attributes. 
 
 
Determination 
The role o...
Get paid weekly? You can!
-
Data Management Applications C170
- Exam (elaborations) • 24 pages • 2024
-
- $12.50
- + learn more
Data Management Applications C170 
What is a table? 
A table is a persistent representation of a logical relation that is a relation whose contents can be saved for permanent use. 
 
 
What are the characteristics of a relational table? 
The characteristics of a relational table are that a table is perceived as a two-dimensional structure composed of rows and columns, each row (tuple) represents a single entity occurrence within the set, each column represents an attribute, each column has a dis...
-
WGU C170 Data Management – Applications Questions and Answers Graded A+
- Exam (elaborations) • 5 pages • 2023
-
Available in package deal
-
- $16.99
- + learn more
WGU C170 Data Management – Applications Questions and Answers Graded A+ 
domain 
In data modeling, the construct used to organize and describe an attribute's set of possible values 
 
 
 
superkey 
An attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. 
 
 
 
 
Brainpower 
Read More 
Previous 
Play 
Next 
Rewind 10 seconds 
Move forward 10 seconds 
Unmute 
0:06 
/ 
0:15 
Full screen 
candidate key 
A minimal superkey; that is, a key...
-
WGU C170 Chapter 1, Full Review, Graded A+. Verified 2024
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
-
- $8.49
- + learn more
AREA - -In DB2, a named section of permanent storage space that is reserved to store the database. 
associative entity - -See composite entity. 
bridge entity - -See composite entity. 
candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is 
itself a superkey. See key. 
closure - -A property of relational operators that permits the use of relational algebra operators on 
existing tables (relations) to produce new relations. 
composite entity - -An...
-
WGU C170 Data Management – Applications, Rated A+. VERIFIED 2024
- Exam (elaborations) • 6 pages • 2023
- Available in package deal
-
- $8.49
- + learn more
domain - -In data modeling, the construct used to organize and describe an attribute's set of possible 
values 
superkey - -An attribute or attributes that uniquely identify each entity in a table. Any composite key 
with this is also this. 
candidate key - -A minimal superkey; that is, a key that does not contain a subset of attributes that is 
itself a superkey 
entity integrity - -The property of a relational table that guarantees each entity has a unique value in 
a primary key and that the...
-
WGU C175 Data Management Foundations Test Questions and Answers, Updated 2024/2025 (Graded A+)
- Exam (elaborations) • 17 pages • 2024
-
- $15.99
- + learn more
They can serve as a communication tool between the users and designers. 
Which of the following is true of business rules? 
entity 
A(n) _______ is anything about which data are to be collected and stored. 
XML/Hybrid data model 
Oracle 11g is an example of the _______. 
entity instance 
Each row in the relational table is known as a(n) 
relational data model 
MySQL is an example of the _______. 
attribute 
A(n) _______ is the equivalent of a field in a file system. 
entity relationship 
The ___...
That summary you just bought made someone very happy. Also get paid weekly? Sell your study resources on Stuvia! Discover all about earning on Stuvia