Relational databases - Study guides, Class notes & Summaries

Which result set requires a JOIN?
a.)
Showing all track names with genre names
b.)
Showing all track names with genre IDs
c.)
Showing all genre names with genre IDs
d.)
Showing all track names with both genre ID and track ID Which result set requires a JOIN?
a.)
Showing all invoice totals with both customer ID and invoice ID
b.)
Showing all customer names with customer IDs
c.)
Showing all invoice totals with customer last names
d.)
Showing all inv...

WGU SOPHIA Relational Databases Milestone 4 All Possible Questions and Answers 2024 with complete solutions his is a review of questions that could potentially be on the milestone 4 test. I submitted in word document so you are able to use the CTRL+f keys to find questions easier as there are quite a few

Introduction to Relational Databases CS1011 (SOPH-0047) Sophia Milestone 3 UNIT 3

Western Governors University WGU CS1011 Sophia_Introduction_to_Relational_Databases_Milestone_3

WGU CS1011 Sophia Introduction to Relational Databases Milestone 2 Retake Questions and Answers Score 20/25. 20/25  that's 80% RETAKE  20 questions were answered correctly. 4 questions were answered incorrectly. 1 question was skipped. These were marked incorrect. In each milestone, you may want or need to use the database and query tool to answer some of the questions. We suggest you open the tool in another browser tab while you are working on this assessment. Which of the fol...

WGU CS1011 Sophia Introduction to Relational Databases Milestone 1 Retake Questions and Answers (Score 33/36) Latest. 33/36  that's 92% RETAKE  33 questions were answered correctly. 3 questions were answered incorrectly. In each milestone, you may want or need to use the database and query tool to answer some of the questions. We suggest you open the tool in another browser tab while you are working on this assessment. Identify the correctly constructed ALTER TABLE statement to ...

Which requirement within large, complex databases ensures users have limited access to the database? Recovery Performance Authorization Confidentiality Authorization Which design type specifies database requirements without regard to a specific database system? Physical design Conceptual design Logical design Abstract design Conceptual design 3. What characterizes the rules of relational databases? -They are logical constraints that ensure the data is valid. -They are...

1.2 SINGLE TABLE CONSTRUCTION The following CREATE TABLE statement creates a table called 'company' that consists of the company_id as the primary key, the company_name, and the address. CREATE TABLE company( company_id INT PRIMARY KEY company_name VARCHAR (100), address VARCHAR (100) ); Identify the line of code that would generate an error in this CREATE TABLE statement.
a.)
2
b.)
4
c.)
1
d.)
3
The following CREATE TABLE statement creates a table called ...

Identify the SQL command that uses an aggregate function that could be used to find the lowest total in the invoice table.
a.)
SELECT lowest(total) FROM invoice;
b.)
SELECT total(min) FROM invoice;
c.)
SELECT min total FROM invoice;
d.)
SELECT min(total) FROM invoice; Identify the SQL command that uses an aggregate function that could be used to find the average total in the invoice table.
a.)
SELECT avg(total) from invoice;
b.)
SELECT average total FROM in...

Which of the following statement(s) would successfully delete the invoice_id 353 from the invoice table?
a.)
DELETE FROM invoice_line WHERE invoice_id = 353;
DELETE FROM invoice WHERE invoice_id = 353;
b.)
DELETE FROM invoice WHERE invoice_id = 353;
c.)
DELETE FROM invoice WHERE invoice_id = 353;
DELETE FROM invoice_line WHERE invoice_id = 353;
d.)
DELETE FROM invoice_line WHERE invoice_id = 353 Which of the following statement(s) would successfully delete the inv...