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D427 DATA MANAGEMENT - APPLICATIONS (WESTERN GOVERNORS UNIVERSITY) TEST 2 EXAM WITH ANSWER KEY 2024/2025 $18.49
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D427 DATA MANAGEMENT - APPLICATIONS (WESTERN GOVERNORS UNIVERSITY) TEST 2 EXAM WITH ANSWER KEY 2024/2025
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D427 DATA MANAGEMENT - APPLICATIONS (WESTERN GOVERNORS UNIVERSITY) TEST 2 EXAM WITH ANSWER KEY 2024/2025

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  • September 10, 2024
  • 49
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • d427 data management applications western gove

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  • D427 DATA MANAGEMENT - APPLICATIONS (WESTERN GOVE
  • D427 DATA MANAGEMENT - APPLICATIONS (WESTERN GOVE

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lOMoARcPSD|15963292




D427 DATA MANAGEMENT - APPLICATIONS (WESTERN GOVERNORS
UNIVERSITY) TEST 2 EXAM WITH ANSWER KEY 2024/2025

, lOMoARcPSD|15963292




D427 Test 2
1. Portland, OR 97212

How many attributes are present in the address fragment?
a. 1
b. 2
c. 3
d. 4

2. The Patient table has the following
columns: 昀椀 rst_name – varchar(20)
last_name – varchar(30)
birthdate – date
patient_id – int

Which column should be designated at the primary key for the Patient table?

a. 昀椀 rst_name
b. last_name
c. birthdate
d. patient_id




3. The Exam table has the following
columns: exam_id – int
exam_date – date
exam_reason – varchar (100)
patient_id – int

Which column should be designated as the foreign key for the Exam table?

a. exam_id
b. exam_date
c. exam_reason
d. patient_id




)

, lOMoARcPSD|15963292




e. Varchar
f. Integer
g. Binary
h. Decimal


4. Which of the following is a DDL (Data De 昀椀 nition Language) command?

a. INSERT
b. SELECT
c. CREATE INDEX
d. UPDATE


5. Which of the following is a DML(Data Manipulation Language) command?

a. CREATE VIEW
b. CREATE TABLE
c. INSERT
d. ALTER INDEX


7.
CREATE TABLE Exam (
exam_id INT NOT NULL AUTO_INCREMENT,
exam_date DATE NOT NULL,
exam_reason VARCHAR (100),
patient_id INT NOT NULL,
PRIMARY KEY (exam_id),
FOREIGN KEY (patient_id) REFERENCES Patient (patient _id) ON DELETE CASCADE
);




Looking at the Patient and Exam tables above and the CREATE TABLE for the Exam
table with foreign key reference statement above, what would happen to exams in the
Exam table that are linked to a patient if that patient is deleted.




)

, lOMoARcPSD|15963292




a. Those exams would remain in the database.
b. Those exams would be deleted also.
c. The Patient ID for those exams would be changed to NULL.
d. Nothing would happen.



8.
CREATE TABLE Exam (
exam_id INT NOT NULL AUTO_INCREMENT,
exam_date DATE NOT NULL,
exam_reason VARCHAR (100),
patient_id INT NOT NULL,
PRIMARY KEY (exam_id),
FOREIGN KEY (patient_id) REFERENCES Patient (patient _id) ON DELETE RESTRICT
);




Looking at the Patient and Exam tables above and the CREATE TABLE for the Exam
table with foreign key reference statement above, what would happen to exams in the
Exam table that are linked to a patient if that patient is deleted.


a. Those invoices would remain in the database.
b. Those invoices would be deleted also.
c. The Customer ID for those invoices would be changed to NULL.
d. The delete of the Customer would not be allowed.




9.
CREATE TABLE Exam (
exam_id INT NOT NULL AUTO_INCREMENT,
exam_date DATE NOT NULL,




)

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