Foreign key fk - Study guides, Class notes & Summaries
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INF3703 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 28 June 2024
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INF3703 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 28 June 2024 ;100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on ...(.+.2.5.4.7.7.9.5.4.0.1.3.2)........... 
 
Question 1 [30] 
As stated in the case, Skyworth follows the Systems Development Life Cycle (SDLC) (see page 529 
of Coronel et al., 2020) to design information systems for their clients. In the planning phase, the 
database design and development team conducted a feasibility study to add...
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INF assignment 2 solution
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INF assignment 2 
CASE 
After graduating from university with a BTech degree in Information Systems, you are appointed as a system analyst at Logic Designs, a software development vendor. Logic Designs has been hired by E-beats_Africa, a digital marketing company that specialises in promoting and monetizing TikTok artists and their creative content. E-beats_Africa assigns talent agents1 to TikTokers to market and sell creative content. Creative content is defined as a 15 second to 3-minute recor...
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ICT2621 2023 Assignment 3 solution
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ICT2621 2023 Assignment 3 solution 
Questions: 
Question 1 
NB: When drawing data flow diagrams (DFDs), use the Gane and Sarson 
symbols/notation set. 
1.1 Draw, name and describe the four symbols used in a data flow diagram (DFD). You 
may use a table to present your answer. 
(6) 
1.2 Briefly describe the following with respect to DFDs: 
1.2.1 Levelling(2) 
1.2.2 Balancing(2) 
1.2.3 Data dictionary(2)1.3 Draw a diagram of an example of each of the following showing the process, and the 
input(s...
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WGU D427 Practice Test with Answer Key 2024.
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WGU D427 Practice Test with Answer Key 2024. 
1. Seattle, WA 98111 
USA 
How many attributes are present in the address fragment? 
a. 1 
b. 2 
c. 3 
d. 4 
2. The Book table has the following columns: 
genre – varchar(20) 
pages – integer 
author_id – char(3) 
isbn_number – varchar(20) 
Which column should be designated at the primary key for the Book table? 
a. genre 
b. pages 
c. author_id 
d. isbn_number 
3. The Book table has the following columns: 
genre – varchar(20) 
pages – in...
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WGU D427 Practice Test with Answer Key 2024.
- Exam (elaborations) • 23 pages • 2024
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WGU D427 Practice Test with Answer Key 2024. 
 
1. Seattle, WA 98111 
USA 
How many attributes are present in the address fragment? 
a. 1 
b. 2 
c. 3 
d. 4 
2. The Book table has the following columns: 
genre – varchar(20) 
pages – integer 
author_id – char(3) 
isbn_number – varchar(20) 
Which column should be designated at the primary key for the Book table? 
a. genre 
b. pages 
c. author_id 
d. isbn_number 
3. The Book table has the following columns: 
genre – varchar(20) 
pages – ...
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WGU D427 Practice Test with Answer Key 2024.
- Exam (elaborations) • 23 pages • 2024
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- $13.99
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WGU D427 Practice Test with Answer Key 2024. 
1. Seattle, WA 98111 
USA 
How many attributes are present in the address fragment? 
a. 1 
b. 2 
c. 3 
d. 4 
2. The Book table has the following columns: 
genre – varchar(20) 
pages – integer 
author_id – char(3) 
isbn_number – varchar(20) 
Which column should be designated at the primary key for the Book table? 
a. genre 
b. pages 
c. author_id 
d. isbn_number 
3. The Book table has the following columns: 
genre – varchar(20) 
pages – in...
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WGU C170 Study Guide (Latest 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Grade A
- Exam (elaborations) • 31 pages • 2024
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WGU C170 Study Guide (Latest 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Grade A 
 
Q: domain: 
In data modeling, the construct used to organize and describe an attribute's set of possible values. 
 
 
 
Q: entity integrity 
 
 
Answer: 
The property of a relational table that guarantees each entity has a unique value in a primary key and that the key has no null values. 
 
 
 
Q: equijoin 
 
 
Answer: 
A join operator that links tables based on an equality condition tha...
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MISY 5300 Final Review Latest Update Graded A+
- Exam (elaborations) • 12 pages • 2024
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MISY 5300 Final Review Latest Update 
 
Graded A+ 
 
Steps in conceptual level design Defining the necessary attributes for each entity and 
 
outlining their relationships based on business rules. This often involves creating an entity- 
relationship (E-R) diagram to visually represent the database structure. 
 
User perspectives Specific data required by individuals or processes for particular tasks. 
 
One-to-Many Relationship Indicates that one record in one table can correspond to multiple ...
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WGU C170 Focused on Chapter 1 Foundational Study Exam Questions with Accurate Marking Scheme 2024/2025
- Exam (elaborations) • 12 pages • 2024
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WGU C170 Focused on Chapter 1 Foundational Study Exam Questions with Accurate Marking Scheme 2024/2025 
 
entity integrity - correct answer The property of a relational table that guarantees each entity has a unique value in a primary key and that the key has no null values. 
 
equijoin - correct answer A join operator that links tables based on an equality condition that compares specified columns of the tables. 
 
flags - correct answer Special codes implemented by designers to trigger a requi...
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WGU C170 VHT2 TASK 1 NORMALIZATION AND DATABASE DESIGN
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WGU C170 VHT2 TASK 1 NORMALIZATION AND DATABASE DESIGN 
 
 
VHT2 TASK 1: NORMALIZATION AND DATABASE DESIGN 
 
Course: Data Management – Applications – C170 
 
 
 
 
 
 
 
 
John Smith 
 
Western Governors University 
 
 
 
Student ID # ######## 
 
 
 
Nora’s Bagel Bin Database Blueprints 
First Normal Form (1NF) 
 
BAGEL ORDER 
PK	Bagel Order ID 
PK	Bagel ID 
	Order Date 
	First Name 
	Last Name 
	Address 1 
	Address 2 
	City 
	State 
	Zip 
	Mobile Phone 
	Delivery Fee 
	Bagel Name 
	Bag...
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