Equijoin - Guides d'étude, Notes de cours & Résumés
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WGU C170 - Data Management – Applications Latest 2024 Already Graded A
- Examen • 33 pages • 2024
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WGU C170 - Data Management – 
Applications Latest 2024 Already 
 
Graded A 
 
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...

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WGU C170 Exam (New 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Graded A
- Examen • 41 pages • 2024
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WGU C170 Exam (New 2024/ 2025 Update) Data 
Management Applications Exam| 100% Correct| Graded A 
 
QUESTION 
 
 What type of integrity is enforced when a primary key is declared? 
 
Answer: 
 Creating a primary key constraint enforces entity integrity (i.e. no part of the primary key can contain a null and 
the primary key values must be unique). 
 
 
QUESTION 
 What is a recursive relationship? Given an example. 
 
Answer: 
 A recursive relationship exists when an entity is related to itse...

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WGU C170 Data Management - Applications|Latest Update Complete with A+ Graded Answers
- Examen • 18 pages • 2024
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WGU C170 Data Management - Applications|Latest Update Complete with A+ Graded Answers 
 
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 c...

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C170 Data Management Application Questions with solutions 2023
- Examen • 27 pages • 2023
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C170 Data Management Application Questions with solutions 2023 
AREA 
In DB2, a named section of permanent storage space that is reserved to store the database. 
 
 
 
associative entity 
See composite entity. 
 
 
 
 
Brainpower 
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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 ...

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Data Management Applications C170
- Examen • 24 pages • 2024
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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...

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WGU C170 Chapter 1|Latest Update Complete with A+ Graded Answers
- Examen • 5 pages • 2024
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WGU C170 Chapter 1|Latest Update Complete with A+ Graded Answers 
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 existin...

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INSY 3304 CH 3 Questions & Answers Verified 100% Correct!!
- Examen • 3 pages • 2024
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The ________ can be described as a detailed system data dictionary that describes all 
objects within the database, including data about table names, the table's creator and 
creation date, the number of columns in each table, the data type corresponding to each 
column, index filenames, index creators, authorized users, and access privileges. - 
️️system catalog 
________ are especially useful when you are trying to determine what values in related 
tables cause referential integrity pro...

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D427 Data management applications - Chapter 2 Comprehensive Exam Questions And Answers.
- Examen • 5 pages • 2024
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IN - correct answer This operator is used in a WHERE clause to determine if a value matches one of several values. 
 
BETWEEN (value BETWEEN minValue AND maxValue) 
<= value => - correct answer This operator provides an alternative way to determine if a value is between two other values. 
 
LIKE 
% matches any number of characters 
_ matches exactly one character - correct answer ...

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WGU C170 Chp 1, With Complete Verified Solution 2024.
- Examen • 4 pages • 2024
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WGU C170 Chp 1, With Complete Verified Solution 2024. 
AREA 
in DB2, a named section of permanent storage space that is reserved to store the database. 
associative entity 
another name for composite entity, bridge entity or linking table 
bridge entity 
another name for composite entity, associative entity or linking table 
candidate key 
a minimal superkey; that is, a key that dows not contain a subset of attributes that is itself a superkey. 
closure 
A property of relational operators that p...

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C170 Data Management Application Questions and Answers Graded A+
- Examen • 27 pages • 2023
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C170 Data Management Application Questions and Answers Graded A+ 
AREA 
In DB2, a named section of permanent storage space that is reserved to store the database. 
 
 
 
associative entity 
See composite entity. 
 
 
 
 
Brainpower 
Read More 
Previous 
Play 
Next 
Rewind 10 seconds 
Move forward 10 seconds 
Unmute 
0:07 
/ 
0:15 
Full screen 
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 ...

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